The participating presentations are indicated throughout this program by the icon to the left.

Moderators:

Stephanie Wood, Portland, OR Sergio Bardaro, Cleveland, OH Renato Salvador, Padova, Italy

83. COLON INTERPOSITION AFTER ESOPHAGECTOMY: A 15-YEARS SINGLE-CENTER EXPERIENCE
Luca Giulini*¹, Melissa Kemeter¹, Lisa Bernhardt¹, Lucas Thumfart¹, Patrick Heger¹, Felix J. Hüttner¹, Markus K. Diener¹, Attila Dubecz^2
1Klinikum Nurnberg, Nuremberg, BY, Germany; ²HELIOS Klinikum Erfurt, Erfurt, Thuringia, Germany

84. RECURRENCE AND METASTASIS PATTERN IN ESOPHAGEAL CANCER FOLLOWING NEOADJUVANT CHEMORADIOTHERAPY AND ESOPHAGECTOMY
Ahmed A. Elkamel*, Shamele Battan-Wraith, Kevin Wang, Timothy Harris, Evelyn V. Alexander, Mazin Abdalgadir, Jonathan Rice, Praveen Sridhar, Stephanie Worrell
The University of Arizona, Tucson, AZ

85. EX-VIVO LYMPH NODE ASSESSMENT DURING ESOPHAGEAL AND GASTRIC CANCER RESECTION USING A NOVEL HAND-HELD DIFFUSE REFLECTANCE SPECTROSCOPY PROBE
Naim Slim*, Maxime Giot, Ria Ranjitkar, Ioannis Gkouzionis, Jo Lloyd, Priscilla Anketell, Robert Goldin, Ara Darzi, Daniel Elson, Christopher Peters
Imperial College London, London, United Kingdom

86. IN VIVO REAL-TIME ASSESSMENT OF RESECTION MARGINS USING DIFFUSE REFLECTANCE SPECTROSCOPY IN UPPER GASTROINTESTINAL CANCERS
Maxime Giot*, Naim Slim, Scarlet Nazarian, Ioannis Gkouzionis, Ria Ranjitkar, Priscilla Anketell, Robert Goldin, Jo Lloyd, Christopher Peters, Daniel Elson
Imperial College London, London, England, United Kingdom

87. GENE EXPRESSION PROFILE OF ESOPHAGOGASTRIC JUNCTION ADENOCARCINOMA DIFFERS FROM DISTAL GASTRIC ADENOCARCINOMA
Sergio B. Marques*, Tatiane K. Furuya, Alexis G. Carrasco, Marina A. Pereira, Marcus F. Ramos, Miyuki V. Uno, Maria J. Ferreira Alves, Diogo Araujo, Roger J. Chammas, Fauze Maluf-Filho, Ulysses Ribeiro, Adriana V. Safatle-Ribeiro
Gastroenterology, University of Sao Paulo, Sao Paulo, SP, Brazil

88. EVALUATING POSTOPERATIVE MICROASPIRATION IN ESOPHAGECTOMY PATIENTS
Evelyn Alexander*, Ahmed A. Elkamel, Shamele Battan-Wraith, Timothy Harris, Kevin Wang, Mazin Abdalgadir, Jonathan Rice, Praveen Sridhar, Stephanie Worrell
Banner - University Medical Center Tucson, Tucson, AZ

89. TRENDS IN ESOPHAGECTOMY AND ENDOSCOPIC RESECTION INTERVENTION FOR BARRETT'S ESOPHAGUS AND EARLY-STAGE ESOPHAGEAL CANCER: A NATIONWIDE ANALYSIS (2014-2024)
Mahmoud Y. Madi¹, Yassine Kilani*¹, Thomas R. McCarty³, Ahmad Najdat Bazarbashi², Raj Shah^4
1Gastroenterology & Hepatology, Saint Louis University, Saint Louis, MO; ²Washington University in St Louis, St Louis, MO; ³Houston Methodist, Houston, TX; ⁴The Ohio State University Wexner Medical Center, Columbus, OH

90. MICROSCOPIC PATTERNS OF RESIDUAL TUMOUR AFTER NEOADJUVANT CHEMOTHERAPY IN LOCALLY ADVANCED OESOPHAGEAL ADENOCARCINOMA
Sulaiman Sajjad*¹, Yasmin Dorudi¹, Najeed Khan¹, Vasiliki Michalarea³, Neel Bhuva³, Mark Harrison³, Edward W. Park², Farhan Rashid⁴, Robert Goldin^1,2, Stefan Antonowicz^1,2
1Surgery and Cancer, Imperial College London, London, United Kingdom; ²Imperial College Healthcare NHS Trust, London, United Kingdom; ³Mount Vernon Cancer Centre, London, Middlesex, United Kingdom; ⁴Bedfordshire Hospitals NHS Foundation Trust, Luton, England, United Kingdom

91. VISCERAL ADIPOSE TISSUE AREA ON CT IS ASSOCIATED WITH PULMONARY AND CARDIOVASCULAR COMPLICATIONS AFTER ESOPHAGECTOMY FOR CANCER
Ernest G. Chan*¹, Maria L. Madrariaga¹, Jules Lin², Darren Bryan¹, Brian A. Derstine², Pablo G. Sanchez¹, Stewart C. Wang², Mark Ferguson^1
1Surgery, University of Chicago, Chicago, IL; ²University of Michigan, Ann Arbor, MI

92. SHORT OUTCOMES OF ROBOTIC TRANSHIATAL ESOPHAGECTOMY FOR ESOPHAGEAL ADENOCARCINOMA: A SINGLE INSTITUTION COMPARED TO THE NATIONAL CANCER DATABASE
Alona Bilik, Garnet Vanterpool, Iswanto Sucandy, Henry Zhang, Kristina Milivojev Covilo, Sharona B. Ross*
Digestive Health Institute, Advent Health Tampa, Tampa, F

93. DELAYS IN ADJUVAN IMMUNOTHERAPY POST ESOPHAGECTOMY
Mazin Abdalgadir, Ahmed A. Elkamel*, Evelyn V. Alexander, Shamele Battan-Wraith, Kevin Wang, Jonathan Rice, Praveen Sridhar, Stephanie Worrell
The University of Arizona, Tucson, AZ

94. PREDICTORS OF UPSTAGING IN EARLY ESOPHAGEAL CANCER: IS CLINICAL STAGING IMPROVING OVER TIME?
Susheian Kelly*¹, Rajika Jindani¹, Lamisha Shah¹, Tamar Noble², Marc Vimolratana², Neel Chudgar², Brendon Stiles^2
1Surgery, Albert Einstein College of Medicine, Perth Amboy, NJ; ²Montefiore Medical Center, Bronx, NY

95. INTRAOPERATIVE IMPEDANCE PLANIMETRY PROVIDES EXCELLENT OUTCOMES IN PATIENTS PREOPERATIVE MANOMETRY IS OMITTED IN TOUPET FUNDOPLICATION
Timothy Trestrail, Talia R. Arcieri, William Scola*, Patrick R. Wang, Morgan Shane, Sean Bhalla, Onur C. Kutlu, Mehmet Akcin
General Surgery, University of Miami - Jackson Memorial Hospital, Miami, FL

96. PALLIATIVE INTERVENTION FOR OBSTRUCTIVE GASTROESOPHAGEAL CANCER: A SIGNIFICANT IMPACT ON END-OF-LIFE QUALITY
Kalvin Zee*, Cole Myers, Viet Le
Surgery, MercyOne, Des Moines, IA

97. SURGICAL OUTCOMES OF ROBOTIC VS. LAPAROSCOPIC IVOR LEWIS ESOPHAGECTOMY FOR ESOPHAGEAL CANCER: A PROPENSITY SCORE MATCHED STUDY
Andres Ramos-Fresnedo*, Keouna Pather, Chelsea Yap, Brian G. Celso, Erin M. Mobley, Ziad Awad
Department of Surgery, University of Florida Health Science Center Jacksonville, Jacksonville, FL

Moderators:

Govind Nandakumar, Bangalore, India Herman Kessler, Cleveland, OH

68. DEVELOPMENT AND EXTERNAL VALIDATION OF A PREDICTIVE MODEL FOR NODAL METASTASES IN APPENDICEAL CANCER - WHO NEEDS RIGHT HEMICOLECTOMY?
Po Hong Tan*¹, Richard Max Miller¹, Andrew G. Saleeb¹, Hoe Yan Hor¹, Melody Pi Yin Tu¹, Arshia Pessaran¹, Mayar Alatout¹, Sanjay Bagaria², Travis E. Grotz³, Emmanuel Gabriel², Chee-Chee Stucky¹, Zhi Ven Fong¹, Yu-Hui Chang¹, Nabil Wasif^1
1Surgical Oncology, Mayo Clinic Phoenix, Mesa, AZ; ²Mayo Clinic in Florida, Jacksonville, FL; ³Mayo Clinic Minnesota, Rochester, MN

69. ARE WE WATCHING OR JUST WAITING? PREDICTIVE FACTORS FOR ADHERENCE WITH SURVEILLANCE AFTER TOTAL NEOADJUVANT THERAPY
Kamil Erozkan, Imran Khan*, Blake R. Buchalter, David R. Rosen, Keshinro ajaratu, Joshua Sommovilla, Arielle E. Kanters, Michael Valente, Emre Gorgun, Scott Steele, David Liska
Colorectal Surgery, Cleveland Clinic, Cleveland, OH

70. DIFFERENCES IN RESPONSE OF MESORECTAL AND LATERAL LYMPH NODES AFTER NEOADJUVANT CHEMORADIOTHERAPY FOR RECTAL CANCER: EVIDENCE FROM RADIOLOGY AND PATHOLOGY
Zixuan Zhuang*, Yang Zhang, Xuyang Yang, Xiangbing Deng, Ziqiang Wang
West China Hospital of Sichuan University, Chengdu, Sichuan, Chin

71. RETROPERITONEAL AND LATERAL PELVIC LYMPHADENECTOMY FOR COLORECTAL NODAL METASTASIS
Kristofor Olson*, Seija Maniskas, Makenna Marty, Jade Nguyen, Kevin Labadie, Lily L. Lai, Andreas M. Kaiser
Surgery, City of Hope, Duarte, CA

72. IS ENDOSCOPIC SUBMUCOSAL DISSECTION (ESD) TRULY COMPARABLE TO TRANSANAL ENDOSCOPIC MICROSURGERY (TEM) FOR EARLY RECTAL EPITHELIAL AND SUBEPITHELIAL TUMORS? A META-ANALYSIS
Abdul-Rahman F. Diab*^1,2, Joseph Sujka², Salvatore Docimo², Christopher DuCoin^2
1University of Central Florida College of Medicine / HCA Healthcare GME Consortium, Ocala, FL; ²University of South Florida Morsani College of Medicine Department of Surgery, Tampa, FL

73. DELAYED TOTAL MESORECTAL EXCISION FOR MAJOR OR COMPLETE CLINICAL RESPONSE FOLLOWING RECTAL SPARING APPROACHES: A PROPENSITY SCORE-MATCHED ANALYSIS OF SHORT- AND LONG-TERMS OUTCOMES.
Quoc Riccardo Bao*², Stefania Ferrari², Alessandra Pulvirenti², Francesco Celotto², Giulia Battisti², Marco Scarpa², Paolo Delrio¹, Daniela Rega¹, Angelo Restivo³, Claudio Coco⁴, Maria Antonietta Gambacorta⁴, Salvatore Pucciarelli², Gaya Spolverato^2
1Istituto Nazionale Tumori IRCCS Fondazione Pascale, Naples, Campania, Italy; ²Universita degli Studi di Padova, Padua, Veneto, Italy; ³Universita degli Studi di Cagliari, Cagliari, Sardinia, Italy; ⁴Fondazione Policlinico Universitario Agostino Gemelli IRCCS, Rome, Lazio, Italy

74. TREATMENT OUTCOMES FOLLOWING TME FOR BIOLOGICALLY UNFAVORABLE LOCALLY ADVANCED RECTAL CANCER.
Maryam Aleissa*^4,2, Amr Aref¹, Hussein Gharib¹, Amer Zeni³, Amer Alame¹, Ernesto Drelichman⁴, Jasneet S. Bhullar^4
1Henry Ford St John's Hospital, Warren, MI; ²Princess Nourah bint Abdulrahman University, Riyadh, Saudi Arabia; ³Henry Ford Health System, Detroit, MI; ⁴Henry Ford Providence, Southfield, MI

75. EVALUATING TOTAL MESORECTAL EXCISION QUALITY IN THE ERA OF TOTAL NEOADJUVANT THERAPY
Meghan E. Lark*¹, Kristen N. Kaiser¹, Samantha Hendren¹, Bruce Robb¹, Scott Dolejs², Sanjay Mohanty^1
1General Surgery, Indiana University School of Medicine, Indianapolis, IN; ²Franciscan Health Inc, Indianapolis, IN

76. ANALYSIS OF TEMPORAL TRENDS IN ANAL CANCER INCIDENCE BY SEX, AGE, AND ETHNICITY, 2017-2021
Eli Ehrenpreis, Hoang Dang, Ashley Robinson*, Ravjot Virdi, Yannis Lafazanos
Internal Medicine, Advocate Lutheran General Hospital, Park Ridge, IL

77. DIFFERENCES IN DEMOGRAPHIC, CHARACTERISTICS, AND SURGICAL OUTCOMES OF PATIENTS WITH YOUNG ONSET COLORECTAL CANCER: A COMPARATIVE ANALYSIS
Seyed Ali Mousavi Almaleki*, Gloria Chang, Javier Salgado Pogacnik, Emina Huang, Sitaram Chilakamarry, lai xue, Laindy Liu, alessandra storino gonzalez, Amudhan Kannan, Fadwa Ali
The University of Texas Southwestern Medical Center, Dallas, TX

78. THE HIDDEN BURDEN: IMPACT OF ALLOSTATIC LOAD ON COLORECTAL CANCER SURGERY OUTCOMES
Mujtaba Khalil*, Selamawit Woldesenbet, Shahzaib Zindani, Zayed Rashid, Abdullah Altaf, Azza Sarfraz, Matthew Kalady, Samilia Obeng-Gyasi, Timothy M. Pawlik
Surgery, The Ohio State Wexner Medical Center, Columbus, OH

79. ONCOLOGICAL OUTCOMES FOR R1 POLYP CANCERS
Shahnoor Bil Bushra*, Syeda Huda Fareed, Fazle Roghani, Joseph Welch, Christina Kinsella, Ulises Zanetto, Anil T. George
Sandwell and West Birmingham Hospitals NHS Trust, Birmingham, United Kingdom

80. SCREENING RATES DO NOT PREDICT EARLY DIAGNOSIS IN COLORECTAL CANCER: INSIGHTS FROM GEOGRAPHIC ANALYSIS IN OHIO
Trisha Lal*^1,2, Weichuan Dong², Siran Koroukian², Johnie Rose², Richard S. Hoehn^1,2
1University Hospitals, Cleveland, OH; ²Case Western Reserve University, Cleveland, OH

81. WHAT YOU DON'T KNOW CAN HURT YOU: PREOPERATIVE MISMATCH REPAIR DEFICIENCY TESTING AFFECTS SURGICAL DECISION MAKING
Jared Hendren*, Leonardo Duraes, Joshua Sommovilla, Carol A. Burke, Carole Macaron, Michael Cruise, Sarah McGee, David Liska
Cleveland Clinic, Cleveland, OH

82. OUTCOMES OF IBD-ASSOCIATED RECTAL CANCER FOLLOWING TREATMENT WITH MULTIMODAL THERAPY: A MATCHED COHORT STUDY
Imran Khan*, Jacob G. Mansell, Sudha A. Amarnath, Stefan D. Holubar, Benjamin L. Cohen, Taha Qazi, Emre Gorgun, Michael Valente, Scott Steele, David Liska
Cleveland Clinic, Cleveland, OH

Moderators:

Shahin Ayazi, Pittsburgh, PA Felice Schnool-Sussman, New York, NY Nicholas Shaheen, Chapel Hill, NC Rena Yadlapati, La Jolla, CA

Sp78
LYON CONSENSUS AND SELECTION OF PATIENTS FOR ANTIREFLUX SURGERY
Steven R. DeMeester
The Oregon Clinic, Portland, OR

Sp79
CHOICE OF ANTIREFLUX SURGERY: TIF, MSA, REFLUXSTOP, AND CURRENT STATUS OF FUNDOPLICATION
Reginald Bell
Institute of Esophageal and Reflux Surgery, Lone Tree, CO

Sp80
MEDICAL AND SURGICAL MANAGEMENT OF REFLUX IN PATIENTS WITH BARRETT'S ESOPHAGUS
Nicholas J. Shaheen
The University of North Carolina at Chapel Hill, Chapel Hill, NC

Sp81
SHORT AND LONG-TERM COMPLICATIONS OF ANTI-REFLUX SURGERY: CAUSES, IMPLICATIONS, AND MANAGEMENT
Rena Yadlapati
Gastroenterology, University of California San Diego, La Jolla, CA

Moderators:

Ryan Day, Orlando, FL Natalia Paez-Arango, Cincinnati, OH Yosuke Inoue, Tokyo, Japan

162. ROBOTIC DUODENUM-PRESERVING PANCREATIC HEAD RESECTION (R-DPPHR)
Pengfei Wu*^1,2, Jin He^1
1The Johns Hopkins University School of Medicine, Baltimore, MD; ²The First Affiliated Hospital with Nanjing Medical University, Nanjing, Jiangsu, China

163. ROBOTIC PORTAL THROMBECTOMY DURING PANCREATODUODENECTOMY FOR ACINAR CELL CARCINOMA
Marcel A. Machado*, Fabio F. Makdissi, Marcel C C. Machado
Surgery, Sirio Libanes Hospital, São Paulo, SP, Brazil

164. ROBOTIC PYLORUS-PRESERVING PANCREATODUODENECTOMY WITH DOUBLE JEJUNAL LOOP - A GOOD CHOICE FOR YOUNG PATIENTS WITH EXPECTED LONG-TERM SURVIVAL
Marcel A. Machado*, Fabio F. Makdissi, Marcel C C. Machado
Surgery, Sirio Libanes Hospital, São Paulo, SP, Brazil

165. ROBOTIC SUBTOTAL PANCREAS HEAD RESECTION WITH LONGITUDINAL PANCREATICOJEJUNOSTOMY FOR CHRONIC PANCREATITIS
Kalayarasan Raja*
Jawaharlal Institute of postgraduate Medical Education and research, Pondicherry, Tamil Nadu, India

166. IMPORTANCE OF THE LEFT HAND IN PANCREATIC HEAD RESECTIONS: OPERATING IN CONTROL
Andrew J. Thyen*, Meghan E. Lark, Thomas K. Maatman, Nicholas Zyromski
General Surgery, Indiana University School of Medicine, Indianapolis, IN

167. ROBOTIC MULTIFOCAL LIVER RESECTION AND ABLATION FOR HEPATOCELLULAR CARCINOMA WITH LIVER CIRRHOSIS
Allyson Lim-Dy*^2,1, Iswanto Sucandy¹, Sharona B. Ross^1
1AdventHealth, Altamonte Springs, FL; ²University of South Florida, Tampa, FL

168. ROBOTIC PARENCHYMAL-SPARING HEPATIC RESECTION FOR PANCREATIC ENDOCRINE TUMOR
Melanie Mendez, Sharona B. Ross, Kristina Milivojev Covilo, Hasan Al Harakeh*, Iswanto Sucandy
Digestive Health Institute, Advent Health Tampa, Tampa, FL

169. BILIARY CYSTADENOMA: LAPAROSCOPIC RESECTION & DIAGNOSTIC CHALLENGES
Belen Rivera*, Stalin Canizares, Ritah Chumdermpadetsuk, Devin E. Eckhoff, David D. Lee, Martin Dib
Surgery, Beth Israel Deaconess Medical Center, Boston, MA

170. LAPAROSCOPIC RIGHT HEPATECTOMY
Alicia A. Zamorano*, J. Adrian Rivera-Alcantara, Pablo Avila-Sanchez, Diego Hinojosa-Ugarte, Javier Rios-Valencia, Liliana Perez-Limon, Ismael Dominguez Rosado, Mario Vilatoba
Hepatopancreatobiliary Surgery, Instituto Nacional de Ciencias Medicas y Nutricion Salvador Zubiran, Ciudad de Mexico, Ciudad de México, Mexico

171. ROBOTIC SEGMENT 7/8 LIVER RESECTION WITH BASIC CRUSH CLAMP TECHNIQUE
Melanie Mendez, Sharona B. Ross, Garnet Vanterpool, Hasan Al Harakeh*, Iswanto Sucandy
Digestive Health Institute, Advent Health Tampa, Tampa, FL

Moderators:

Alia Qureshi, Lake Oswego, OR Unmesh Takalkar, Aurangabad, India

148. THE IMPACT OF FRAILTY ON SURGICAL AND NON-SURGICAL SITE COMPLICATIONS IN GASTRIC CANCER PATIENTS UNDERGOING GASTRECTOMY
Katsunobu Sakurai*¹, Naoshi Kubo¹, Tatsuro Tamura², Tsuyoshi Hasegawa¹, Toru Inoue¹, Yukio Nishiguchi¹, Masakazu Yashiro², Kiyoshi Maeda^2
1Gastroenterological surgery, Osaka Shiritsu Sogo Iryo Center, Osaka, Osaka, Japan; ²Osaka Koritsu Daigaku Igakubu Daigakuin Igaku Kenkyuka, Osaka, Osaka, Japan

149. AI OR DOCTORS? COMPARING RESPONSES TO CANCER PATIENTS' INQUIRIES FROM A PUBLIC SOCIAL MEDIA FORUM
Muhammad Anees*¹, Edward A. Joseph¹, Abiha Abdullah⁴, Nathan Bahary³, Patrick Wagner³, Nabil Wasif², Zhi Ven Fong², David Bartlett³, Casey Allen^3
1Allegheny-Singer Research Institute, Pittsburgh, PA; ²Mayo Clinic Arizona, Scottsdale, AZ; ³Allegheny Health Network, Pittsburgh, PA; ⁴UPMC, Pittsburgh, PA

150. IDENTIFYING CLINICAL AND PATHOLOGICAL FACTORS ASSOCIATED WITH UPSTAGING IN GASTRIC CANCER
Judy Li*, Nazanin Khajoueinejad, Allen T. Yu, Josh Kim, Spiros Hiotis, Noah A. Cohen, Camilo Correa-Gallego, Joshua Leinwand, James O. Park, Neha L. Lad
Surgery, Icahn School of Medicine at Mount Sinai, New York, NY

151. GASTRIC NEUROENDOCRINE TUMORS (NETS) ARISING FROM CHRONIC PPI USE: CHARACTERISTICS AND OUTCOMES OF A FOURTH SUBTYPE
Lena K. Egbert*¹, Akash Kartik¹, Nabil Wasif¹, Katherine Poruk³, Thorvardur Halfdanarson², Travis E. Grotz^2
1Surgery, Mayo Clinic Arizona, Scottsdale, AZ; ²Mayo Clinic Minnesota, Rochester, MN; ³Mayo Clinic Florida, Jacksonville, FL

152. NEXT-GENERATION DNA SEQUENCING IDENTIFIES SOMATIC MUTATIONS ASSOCIATED TO PROGNOSIS IN GASTRIC CANCER PATIENTS
Marcus F. Ramos, Marina A. Pereira, Ibere C. Soares, Leonardo Cardili, André R. Dias, Evandro S. Mello, Ulysses Ribeiro*
Universidade de Sao Paulo Instituto do Cancer do Estado de Sao Paulo, Sao Paulo, São Paulo, Brazil

153. COMPARING TREATMENT PATHWAYS IN GASTRIC CANCER STAGE: A NATIONAL CANCER DATA BASE ANALYSIS
Lacey Mead*, Eden Crowsey, Manuel Molina
General Surgery Resident, Lakeland Regional Medical Center Inc, Lakeland, FL

154. DETERMINANTS OF SURGERY REFUSAL IN STAGE I-III GASTRIC ADENOCARCINOMA AND THEIR EFFECT ON SURVIVAL
Christina H. Bae*, Ryan Quisling, Malek Moumne, Jonathan Palmer, Luke Guy, Gustavo Capo, Daniel Milgrom, Steven Colquhoun, Alicia Arnold, Danny Yakoub
Surgical Oncology, Augusta University, Augusta, GA

155. EXPLORING CONTRIBUTORS TO TREATMENT VARIATION AMONG MEDICARE BENEFICIARY GASTRIC CANCER PATIENTS: A SURVEILLANCE, EPIDEMIOLOGY, AND END RESULTS (SEER)-MEDICARE DATABASE ANALYSIS
Mats Teeken*, George Molina, Maite Liem, Mengyuan Ruan, Yu-Jen Chen
Surgical Oncology, Brigham and Women's Hospital, Boston, MA

156. EXPLORING BIOMARKERS FOR EARLY RECURRENCE PREDICTION IN GASTRIC CANCER: A FOCUS ON TUMOTR CELL VESICLE SIGNALING
Kenichi Iwasaki*¹, Ryoko Soya¹, Yuichi Nagakawa¹, Takahiro Ochiya^2
1Tokyo Ika Daigaku Byoin, Shinjuku-ku, Tokyo, Japan; ²Tokyo Ika Daigaku, Shinjuku-ku, Tokyo, Japan

157. GASTROINTESTINAL TISSUE ANALYSIS WITH NOVEL OPTICAL COHERENCE TOMOGRAPHY
Theethawat Thanawiboonchai*¹, Cheng-Yu Lee², Jing Zhang², Nathnael A. Woldehana¹, Gina Adrales¹, Xingde Li^2
1Surgery, Johns Hopkins University, Baltimore, MD; ²Johns Hopkins University, Baltimore, MD

158. INCIDENCE AND RISK OF NEUROENDOCRINE TUMORS (NET) AND ADENOCARCINOMA IN PATIENTS WITH ATROPHIC GASTRITIS/PERNICIOUS ANEMIA
Rachel V. Christenson*¹, Hala Muaddi¹, Emily Siegler¹, Austin Teel¹, Roma Sonik¹, Nabil Wasif², Thorvardur R. Halfdanarson¹, Katherine Poruk³, Daniel Schupack¹, Derek Ebner¹, Travis E. Grotz^1
1General Surgery, Mayo Clinic Minnesota, Rochester, MN; ²Mayo Clinic Arizona, Scottsdale, AZ; ³Mayo Clinic in Florida, Jacksonville, FL

159. GASTRIC CANCER CELLS IN PERITONEAL WASHING FLUID: COMPARISON BETWEEN DETECTION BY CONVENTIONAL CYTOLOGY AND LIQUID-BASED CYTOLOGY
Marina A. Pereira, André R. Dias, Gabriel. Kawakami, Amir Z. Charruf, Marcus F. Ramos, Rafael B. Paschoalini, Evandro S. Mello, Ulysses Ribeiro*
Universidade de Sao Paulo Instituto do Cancer do Estado de Sao Paulo, Sao Paulo, São Paulo, Brazil

160. MACHINE LEARNING PREDICTION OF STAGE AND SURVIVAL USING CANCER STEMNESS-RELATED ISOFORM EXPRESSION IN GASTRIC ADENOCARCINOMA
Yifan Liang*¹, Kyle Lien¹, Zhiyong Mi¹, Paul Kuo^1,2
1University of South Florida Morsani College of Medicine, Tampa, FL; ²Bay Pines Veterans Affairs Healthcare System, Bay Pines, FL

161. ROBOTIC GASTRECTOMY FOR GASTRIC TUMORS: A SINGLE INSTITUTION COMPARED TO THE NATIONAL CANCER DATABASE
Alona Bilik*, Garnet Vanterpool, Iswanto Sucandy, Melanie Mendez, Paola Piascik, Kristina Milivojev Covilo, Sharona B. Ross
Digestive Health Institute, Advent Health Tampa, Tampa, FL

Moderators:

Douglas Robertson, Hanover, NH Douglas Adler, Denver, CO Emily Steinhagen, Cleveland, OH

Sp172
GASTROENTEROLOGY
Paul Moayyedi
McMaster University, Ancaster, ON, Canada

Sp173
CLINICAL GASTRO & HEPATOLOGY
Siddharth Singh
Gastroenterology, University of California San Diego, San Diego, CA

Sp174
GASTROINTESTINAL ENDOSCOPY
Emily Steinhagen
University Hospitals, Cleveland, OH

Sp175
HEPATOLOGY
Harmeet Malhi¹, Elliot B. Tapper^2
1Mayo Clinic, Rochester, MN; ²University of Michigan, Ann Arbor, MI

Sp176
JOURNAL OF GASTROINTESTINAL SURGERY

Moderators:

Sergio Bardaro, Cleveland, OH Karen Gibbs, New Haven, CT Michel Gagner, Westmount, Canada

Sp304
BEST SURGERY FOR TYPE II DIABETES
Sergio Bardaro
Surgery, Case Werstern Reserve University - MetroHealth System, Shaker Heights, OH

Sp305
BEST SURGERY FOR GERD AFTER SLEEVE GASTRECTOMY
Rickesha Wilson
General Surgery, Cleveland Clinic, Cleveland, OH

Sp306
BEST SURGERY FOR WEIGHT RECURRENCE AFTER SLEEVE GASTRECTOMY
Michel Gagner
Surgery, Hopital du sacre coeur, Montreal, QC, canada, Westmount, QC, Canada

Sp307
BEST SURGERY FOR PATIENTS WITH A HIGH BMI
Maria Altieri
General Surgery, Stony Brook University Hospital, Stony Brook, NY
PANEL DISCUSSION

Moderators:

Seth Concors, Atlanta, GA

237. ACUTE INCARCERATION OF A MORGAGNI HERNIA
Hoover Wu*, Kulmeet Sandhu
Cedars-Sinai Medical Center, Los Angeles, CA

238. TO BLOCK OR NOT TO BLOCK
Dylan S. Goto*, Divyaam Satija, Savannah Renshaw, Stefanie C. Rohde, William T. Head, Sidhant Kalsotra, Benjamin Poulose
Department of Surgery, The Ohio State University Wexner Medical Center, Columbus, OH

239. CAN ABDOMINAL WALL THICKNESS SERVE AS A PREDICTIVE FACTOR FOR SURGICAL SITE INFECTIONS IN ABDOMINAL SURGERIES?
Lovenish Bains*, Uday Kumar, Pawan Lal, Shubham Ahuja
Surgery, Maulana Azad Medical College, New Delhi, Delhi, India

240. CLINICOPATHOLOGIC ANALYSIS OF MELANOMA METASTASES TO GASTROINTESTINAL SITES FOR A TISSUE MICROARRAY
David G. Su*, Irvin Yi, Noam Savion Gaiger, David Schoenfeld, Adebowale Adeniran, Sajid A. Khan, Kelly Olino, Harriet M. Kluger
Surgery, Yale New Haven Hospital, New Haven, CT

241. TREATMENT PREFERENCES FOR ACUTE UNCOMPLICATED APPENDICITIS DURING PREGNANCY: A QUALITATIVE STUDY AT A LARGE SAFETY NET HOSPITAL
Brynne A. Ichiuji*, Elizabeth B. Sasso, Priscilla M. Garza, Laurel S. Aberle, Claire Therriault, Koji Matsuo, Anaar Siletz, Matthew Martin, Kenji Inaba, Kazuhide Matsushima
Surgery, University of Southern California, Los Angeles, CA

242. IN FOR DIALYSIS, OUT FOR PERITONITIS: USE OF PERITONEAL DIALYSIS CATHETERS AND SPECTRUM OF COMPLICATIONS IN THE UNITED STATES
Sai Krishna Bhogadi*, David Bittenbinder, Imazul Qadir, Matthew Holt, Ahmad B. Abdulkarim, Stephen W. Behrman
Surgery, Baptist Memorial Hospital-Memphis, Memphis, TN

Moderators:

Sachiyo Nomura, Tokyo, Japan Karen Gibbs, New Haven, CT Ali Tavakkoli, Boston, MA

313. FEASIBILITY OF GASTRIC STER (SUBMUCOSAL TUNNELING ENDOSCOPIC RESECTION) FOR RESECTING A LARGE GIST (GASTROINTESTINAL STROMAL TUMOR)
Shaimaa Elkholy¹, Karim Essam*¹, Hany Haggag¹, Abeer A. Abdellatef¹, Kerolis Yousef¹, Dalia Abd El-Kareem¹, Mostafa Kabeel², Mohamed Abdel Zaher¹, Sara Shaban³, Mohamed El-Sherbiny^1
1Cairo University Kasr Alainy Faculty of Medicine, Cairo, Egypt; ²Al-Azhar University, Nasr City, Cairo, Egypt; ³Ahmed Maher Teaching Hospital, Cairo, Egypt

314. CASE REPORT ON LAPAROSCOPIC LIGAMENTUM TERES CARDIOPEXY (LTC) AS A SUCCESSFUL TREATMENT FOR PATIENT WITH SEVERE GASTROESOPHAGEAL REFLUX DISEASE (GERD) COMPLICATED BY GRADE D ESOPHAGITIS POST SLEEVE GASTRECTOMY (LSG).
Ying Xin Low, Baldwin P. Yeung*, Lester Ong, Koy-Min Chue, Wai Keong Wong, Jeremy, Tian Hui Tan
GENERAL SURGERY, SingHealth Group, Singapore, Singapore, Singapore

315. NOVEL DEVICE SYSTEM FOR TRANSORAL OUTLET REDUCTION
Arjun Chatterjee¹, Leandro Sierra¹, Renan Prado¹, Michael Cymbal¹, Stephen Firkins¹, Akash Khurana¹, Roma Patel¹, Bailey Flora¹, Erika Staneff¹, Rehan Haidry², Roberto Simons-Linares*^1
1Cleveland Clinic, Cleveland, OH; ²Cleveland Clinic London Ltd, London, England, United Kingdom

316. A SUCCESFUL REVISION OF ENDOSCOPIC SLEEVE GASTROPLASTY: A NOVEL APPROACH
Anusha Agarwal*, Stephen A. Firkins, Varun Aitharaju, Arjun Chatterjee, Akash T. Khurana, Roma Patel, Bailey Flora, Erika Staneff, Roberto Simons-Linares
Internal Medicine, Cleveland Clinic, Cleveland, OH

317. ROBOTIC DISTAL GASTRECTOMY WITH LYMPHADENECTOMY AND GASTROJEJUNOSTOMY
Denis Gratsianskiy*, Paola Piascik, Sharona B. Ross, Kristina Milivojev Covilo, Iswanto Sucandy
DHI AdventHealth Tampa, Tampa, FL

318. LIGAMENTUM TERES CARDIOPEXY FOR REFLUX AFTER SLEEVE GASTRECTOMY
Eduardo Vaca*, Abdelkader Hawasli
Ascension St John Hospital, Detroit, MI

319. ROBOTIC REMOVAL OF GASTRIC NEUROSTIMULATOR AND LEADS
Chandler N. Lentovich*, Joseph Sujka
GI Surgery, University of South Florida, Tampa, FL

320. LAPAROSCOPIC RESECTION OF LARGE DUODENAL POLYP
Ramesh Ardhanari*, Mohan Narasimhan, Srinivasan Ramachandran, RaviTeja Oleti
GI Surgery and GI Onncology, Meenakshi Mission Hospital and Research Centre, Madurai, Tamil Nadu, India

321. REVISITING THE SLEEVE: TECHNICAL PEARLS FOR CONVERTING TO ROUX-EN-Y GASTRIC BYPASS WITH CONCURRENT HIATAL HERNIA REPAIR
Alejandro Feria*, AJ Haas, Ramiro Cadena Semanate, Amelia Dorsey, Kevin El-Hayek, Sergio Bardaro
Surgery, MetroHealth Medical Center, Cleveland, OH

322. LAPAROSCOPIC INTRAGASTRIC GASTRO-GASTROSTOMY
Holland Korbitz*, Mohammad Alomari, Shalyn Fullerton, Steven Bowers
General Surgery, Mayo Clinic, Jacksonville, FL

Moderators:

Alex Roch, Indianapolis, IN Lygia Stewart, San Francisco, CA

299. COMPARISON OF POSTOPERATIVE MORBIDITY AND HEPATECTOMY-SPECIFIC COMPLICATIONS BETWEEN MAJOR AND MINOR LIVER RESECTIONS FOR LIVER METASTASES
Candice Vieira*, Madeline M. Silva, Chen-Pin Wang, Xuemei Song, Mio Kitano, Colin M. Court, Caitlin A. McIntyre, Alexander A. Parikh
Department of Surgery, UT Health San Antonio, San Antonio, TX

300. PREDICTIVE VARIABLES FOR LIVER FAILURE AFTER MAJOR HEPATECTOMY: A NSQIP ANALYSIS WITH INTERNATIONAL EXTERNAL VALIDATION
Francisco Tustumi*², Fabricio Ferreira Coelho², Vagner Birk Jeismann², Gilton Marques Fonseca², Jaime Pirola Kruger², Paulo Herman², Mihir Shah¹, David Kooby¹, Juan Sarmiento¹, Felipe B. Maegawa^1
1Surgery, Emory University School of Medicine, Atlanta, GA; ²Universidade de Sao Paulo, São Paulo, SP, Brazil

301. PROFILING HEPATIC MICRORNA SIGNATURES IN MASLD DEVELOPMENT: INSIGHTS FROM LAPAROSCOPIC SURGICAL SAMPLES.
Natalia Nuño-Lámbarri*^1,2, Alejandro Rodríguez-Baez¹, Alejandra Valencia-Cruz³, Leonor Jacobo-Albavera³, Fausto Sánchez-Muñoz⁴, Mayra Domínguez-Perez³, Eduardo E. Montalvo-Jave^1
1Universidad Nacional Autonoma de Mexico, Ciudad de Mexico, Mexico; ²Medica Sur SA de CV, Mexico D. F., Mexico; ³Instituto Nacional de Medicina Genomica, Ciudad de Mexico, Ciudad de Mexico, Mexico; ⁴Instituto Nacional de Cardiologia Ignacio Chavez, Mexico, Estado de Mexico, Mexico

302. MRI-BASED CLINICAL-RADIOMICS ANALYSES OF COLORECTAL LIVER METASTASES TO PREDICT TUMOR GROWTH PATTERNS BY MACHINE LEARNING APPROACH.
Simone Famularo*^2,3, Elena H. Tran², Angela Ammirabile¹, Luca Boldrini², Cristiana Bonifacio¹, Caterina Mele², Edda Boccia², Enza Genco², Guido Costa¹, Felice Giuliante², Guido Torzilli¹, Luca Viganò⁴, Francesco Ardito^2
1Dept. of Surgery, Hepatobiliary and General Surgery Division, IRCCS Humanitas Research Hospital, Rozzano, Lombardia, Italy; ²Fondazione Policlinico Universitario Agostino Gemelli IRCCS, Roma, Lazio, Italy; ³Institut de Recherche Contre les Cancers de l'Appareil Digestif, Strasbourg, Grand Est, France; ⁴Cliniche Gavazzeni SpA, Bergamo, Lombardia, Italy

303. DEVELOPMENT AND VALIDATION OF THE ALBI-GAMMA-GLUTAMYL TRANSFERASE SCORE FOR ENHANCED PROGNOSTIC ACCURACY AFTER HEPATOCELLULAR CARCINOMA RESECTION
Miho Akabane¹, Jun Kawashima¹, Abdullah Atlaf¹, Zayed Rashid¹, Shahzaib Zindani¹, Mujtaba Khalil¹, Azza Sarfraz¹, François Cauchy², Federico Aucejo³, Irinel Popescu⁴, Minoru Kitago⁵, Guillaume Martel⁶, Francesca Ratti⁷, Luca Aldrighetti⁷, George A. Poultsides⁸, Yuki Imaoka⁸, Andrea Ruzzenente⁹, Itaru Endo¹⁰, Ana Gleisner¹¹, Hugo P. Marques¹², Vincent Lam¹³, Tom Hugh¹⁴, Feng Shen¹⁵, Timothy M. Pawlik*^1
1Surgery, The Ohio State Wexner Medical Center, Columbus, OH; ²Hopital Beaujon, Clichy, Île-de-France, France; ³Cleveland Clinic, Cleveland, OH; ⁴Institutul Clinic Fundeni Sectia clinica medicina interna, Bucuresti, Romania; ⁵Keio Gijuku Daigaku, Minato-ku, Tokyo, Japan; ⁶University of Ottawa, Ottawa, ON, Canada; ⁷Ospedale San Raffaele Sede di San Raffaele Turro, Milano, Lombardia, Italy; ⁸Stanford University, Stanford, CA; ⁹Universita degli Studi di Verona, Verona, Veneto, Italy; ¹⁰Yokohama Shiritsu Daigaku, Yokohama, Kanagawa, Japan; ¹¹University of Colorado System, Denver, CO; ¹²Hospital Curry Cabral, Lisboa, Lisboa, Portugal; ¹³Westmead Hospital, Westmead, New South Wales, Australia; ¹⁴University of Sydney, Sydney, New South Wales, Australia; ¹⁵Shanghai Eastern Hepatobiliary Surgery Hospital, Shanghai, China

304. HEPATOCELLULAR CARCINOMA IN METABOLIC-ASSOCIATED FATTY LIVER DISEASE (MAFLD) VERSUS OTHER RISK FACTORS
Abiha Abdullah*, Sethi Vrishketan, Christopher Buros, Arefan Dooman, Marta I Minervini, Alessandro Furlan, Wu Shadong, Michele Molinari
University of Pittsburgh, Pittsburgh, PA

305. ANATOMICAL VARIATIONS OF LIVER SEGMENT 8: INSIGHTS INTO LATERAL EXTENSION AND VASCULAR IMPLICATIONS
Elena Panettieri*^1,2, William Kawahara³, Etsuro Hatano⁴, Satoshi Ogiso⁴, Eduardo A. Vega^2
1Fondazione Policlinico Universitario Agostino Gemelli IRCCS, Roma, Lazio, Italy; ²St. Elizabeth's Medical Center, Brighton, MA; ³Tufts Medical Center, Boston, MA; ⁴Kyoto Daigaku, Kyoto, Kyoto Prefecture, Japan

306. NUMBER OF BLOOD UNITS TRANSFUSED AND OUTCOMES AFTER HEPATECTOMY.
Faisal S. Jehan*¹, Mohammad R. Khreiss², Hassan Aziz^3
1Surgical Oncology, Roswell Park Comprehensive Cancer Center, Buffalo, NY; ²Banner - University Medical Center Tucson, Tucson, AZ; ³University of Iowa Hospitals and Clinics, Iowa City, IA

307. LONG-TERM SURVIVAL IS ACHIEVABLE AFTER COMPLEX SIMULTANEOUS RESECTION OF RECTAL CANCER WITH LIVER METASTASES
Kevin Labadie*, Kelly Mahuron, Kristofor Olson, Darrell Fan, Peter Vien, Elizabeth Meshkin, Paul Wong, Kurt Melstrom, Aaron Lewis, Yasmin Zerhouni, Bradford Kim, Mark Hanna, Lily L. Lai, Andreas M. Kaiser, Yuman Fong, Laleh G. Melstrom
City of Hope Department of Surgery, Duarte, CA

308. ROLE OF HYPOTHERMIC OXYGENATED MACHINE PERFUSION (HOPE) IN LIVER TRANSPLANTATION - AN UPDATED SYSTEMATIC REVIEW AND META-ANALYSIS OF RANDOMIZED STUDIES
Sushrut Ingawale*¹, Marko Kozyk³, A Mi Mi Kyaw⁴, Suprabhat Giri², Dibya L. Praharaj^2
1Internal Medicine, Quinnipiac University - Frank H. Netter MD School of Medicine / St. Vincent's Medical Center, Bridgeport, CT; ²Kalinga Institute of Medical Sciences, Bhubaneswar, Orissa, India; ³Corewell Health Beaumont Hospital, Royal Oak, MI; ⁴Paramishin Hospital, Pyay, Myanmar

309. HEPATIC GLYCOGEN DEPLETION IS PREVALENT IN PATIENTS WITH METASTATIC COLORECTAL CANCER TO LIVER
Meng Liu*, Xulang Zhang, Jing Zhou, Xin Wang, Hao Wang, Ankesh Nigam, Andrea Lightle, Hwa Jeong Lee
Pathology and Laboratory Medicine, Albany Medical Center, Albany, NY

310. PREDICTING THE COST OF WHIPPLE SURGERY USING PREOPERATIVE PATIENT CHARACTERISTICS AND RISK PROFILES
Sri Snehita Reddy Bonthu*¹, Sourodip Mukharjee², Joshua Kong², Joseph Buell², juan malo², Houssam Osman², D Rohan Jeyarajah^2,1
1Texas Christian University Anne Burnett Marion School of Medicine, Fort Worth, TX; ²Methodist Richardson Medical Center, Richardson, TX

311. DISPARITIES IN SURGICAL CARE OF COLORECTAL LIVER METASTASES
Ashley E. Martinez*¹, Alexis Webber², Sandra Dibrito^2
1Albany Medical College, Albany, NY; ²Albany Medical Center, Albany, NY

312. OPERATIVE VERSUS NONOPERATIVE TREATMENT OF ACUTE CHOLECYSTITIS DURING PREGNANCY: A SYSTEMATIC REVIEW AND META-ANALYSIS
Marcelo A. Martins², Gilmara C. Meine*¹, Júlia Gonçalves Gadelha³, Augusto Graziani e Sousa⁴, Barbara Bombassaro Masiero⁵, Sergio M. de Figueiredo^6
1Department of Internal Medicine (Division of Gastroenterology), Universidade FEEVALE, Novo Hamburgo, RS, Brazil; ²Universidade Federal de Ouro Preto, Ouro Preto, MG, Brazil; ³Afaya Faculdade de Ciências Médicas da Paraíba, João Pessoa, PB, Brazil; ⁴Centro Universitário de Anápolis, Anápolis, GO, Brazil; ⁵Pontificia Universidade Catolica do Rio Grande do Sul, Porto Alegre, RS, Brazil; ⁶The University of North Carolina at Chapel Hill, Chapel Hill, NC

Moderators:

Jorge Daes, Barranquilla, Colombia David Santos, Houston, TX Trang Nguyen, Seattle, WA

Sp355
INTEGRATED APPROACHES TO INCISIONAL HERNIA REPAIR IN CANCER PATIENTS: COMBINING HERNIA REPAIR WITH ONCOLOGIC SURGERY
Celia Ledet
MD Anderson, Houston, TX

Sp356
WHEN YOU ARE REFERRED A FEMALE PATIENT WITH GROIN PAIN
Shirin Towfigh
Beverly Hills Hernia Center, Beverly Hills, CA

Sp357
MANAGEMENT OF ABDOMINAL WALL PERITONEAL METASTASES: PALLIATION AND RECONSTRUCTION
Abhineet Uppal
Emory School of Medicine, Houston, TX

Sp358
EXTRAPERITONEAL (ETEP) APPROACH TO HERNIA REPAIR: WHEN AND HOW TO AVOID THE PERITONEAL CAVITY
Andrea Pakula
Simi Valley Adventist Hospital, Simi Valley, CA

PANEL DISCUSSION

Moderators:

Kim Lu, Portland, OR Kimberly Washington, Portland, OR Terry L. Jue, Scottsdale, AZ

Sp312
ENDOSPONGE VERSES DIVERSION FOR ANASTOMOTIC LEAK
Jessica X. Yu
Gastroenterology, Oregon Health & Science University, Portland, OR

Sp313
STENT VERSES DIVERSION FOR LARGE BOWEL OBSTRUCTION
Michael F. McGee
Surgery, University of Michigan, Ann Arbor, MI

Sp314
DIFFICULT ACCESS FOR THE ROUX LIMB ERCP
John Kaufman
Oregon Health & Science University, Portland, OR