Program and Abstracts
64th Annual Meeting
SOCIETY FOR SURGERY OF THE ALIMENTARY TRACT
May 6-9, 2023
McCormick Place | Chicago, IL
in partnership with Digestive Disease Week®
Program (Subject to Change)
All rooms at McCormick Place unless otherwise indicated.
Schedule is subject to change.
<<Sunday | Program and Abstracts | Tuesday>>
![]() |
indicates a Ticketed Session requiring a separate registration and fee. |
![]() |
Indicates a Plenary presentation that is also being presented at the Resident & Fellows Research Conference; participation in and attendance at this conference is by invitation only. |
![]() |
Indicates a Live-streamed Session. |
|
Room S106
4025
POST-WHIPPLE DGE: PREVENTION, WORKUP AND TREATMENT
Speakers: | Susan Tsai, Milwaukee, WI Melissa Hogg, Evanston, IL |
Faculty: | Conor P. Delaney, Cleveland OH Vassiliki L. Tsikitis, Portland, OR |
Sp782
THE HISTORY OF NARPC AND EVOLUTION OF THE STANDARDS
Samantha Hendren, Ann Arbor, MI
Sp783
THE COMMUNITY PERSPECTIVE ON THE ACCREDITATION
Piyush Aggarwal, Walnut Creek, CA
Sp784
THE UNIVERSITY/ACADEMIC CENTER PERSPECTIVE ON THE ACCREDITATION
Daniel Herzig, Portland, OR
Room S504
4110SSAT-AHPBA JOINT SYMPOSIUM:
CURRENT TREATMENT STRATEGIES FOR GEP-NETs
Faculty: | Flavio G. Rocha, Portland, OR Sean P. Cleary, Rochester, MN Alexandra Gangi, Los Angeles, CA |
Sp773
ENDOSCOPIC MANAGEMENT OF GEP-NETS
Joanna Law, Seattle, WA
Sp774
PANCREATIC NETS: WHEN AND HOW TO RESECT?
Bart Rose, Birmingham, AL
Sp775
NEUROENDOCRINE LIVER METASTASES: RESECTION VS. LIVER-DIRECTED THERAPIES
Jessica Maxwell, Houston, TX
Sp776
EMERGING TARGETED THERAPIES FOR NETS: PRRT AND BEYOND
Thorvardur Halfdanarson, Rochester, MN
Q&A
Faculty: | Puja G. Khaitan, Washington DC |
Sp777
THE UTILITY OF PRE-OP AND POST-OP MANOMETRY
Renato Salvador, Padova, Italy
Sp778
LINX, WHERE ARE WE NOW?
Shahin Ayazi, Pittsburgh, PA
Sp779
HYBRID CTIF VS. TOUPET: IS THERE A DIFFERENCE?
Ninh Nguyen, Houston, TX
Sp780
UTILITY OF MESH VS. RELAXING INCISIONS IN PEH REPAIR
Carla Holcomb, Dallas, TX
Sp781
NOVEL REPAIR: POSTERIOR RECTUS SHEATH TECHNIQUE
Yalini Vignaswaran, Chicago, IL
Room S503
4175DEBATE II: CURRENT TRENDS AND DEBATES ON THE MANAGEMENT OF UNCOMPLICATED DIVERTICULITIS
Faculty: | Mukta K. Krane, Seattle, WA Vassiliki L. Tsikitis, Portland, OR |
Sp794
"AN ANTIBIOTIC A DAY WILL KEEP THE SURGEON AWAY": MEDICATIONS SHOULD BE THE FIRST LINE OF TREATMENT FOR UNCOMPLICATED ACUTE DIVERTICULITIS
Michelle Cowan, Seattle, WA
&
Kinga Scowron, Chicago, IL
Sp795
HOW MANY DIVERTICULAR ATTACKS BEFORE AN OPERATION? IS A STOMA NECESSARY?
Fadwa Ali, Dallas, TX
&
Katherine Kelley, Kalamazoo, MI
Room S504
4180DEBATE III: MANAGEMENT OF GEJ CANCER: PREOPERATIVE CHEMORADIOTHERAPY VS. PERIOPERATIVE CHEMOTHERAPY FOR ADENOCARCINOMA OF THE GASTROESOPHAGEAL JUNCTION
Faculty: | Fernando Herbella, Sao Paulo, Brazil Eduardo Montalvo, Mexico City, Mexico Vikram Kate, Pondecherry, India Haejin In, New Brunswick, NJ |
Sp796
CHEMORADIOTHERAPY
Haejin In, Brunswick, NJ
Sp797
CHEMOTHERAPY
Satoru Matsuda, Tokyo, Japan
Sp798
SURGICAL APPROACH TO GASTROESOPHAGEAL JUNCTION CANCER
Mitchell C. Posner, Chicago, IL
Room S505
4185DEBATE IV: BATTLE OF THE BULGE VS. THE BURN: GASTRIC BYPASS VS. ANTI-REFLUX SURGERY TO CURE GERD
Faculty: | Karen Gibbs, Bridgeport, CT Rodolfo Oviedo, Houston, TX Brian Davis, El Paso TX Matthew Hubbard, East Norriton, PA |
Sp799
WEIGHT LOSS FROM GASTRIC BYPASS RESOLVES THE REFLUX
Sp800
ANTI-REFLUX SURGERY IN OBESITY SOLVES THE ANATOMICAL ROOT CAUSE OF THE DISEASE
Shaneeta Johnson, Atlanta, GA
Sp801
WHAT'S NEXT- HOW DO WE SURGICALLY TREAT ESOPHAGEAL REFLUX AFTER WEIGHT LOSS SURGERY?
Ian Soriano, San Francisco, CA
Sp802
REVISIONAL BARIATRIC OPTIONS FOR FAILED ANTI-REFLUX SURGERY - WHAT'S THE BEST APPROACH
Christopher DuCoin, Tampa, FL
Sp869
TITLE: “From Operating Room to Board Room: Lessons and Insights”
Peter Pisters, Houston, TX
TITLE: “From Operating Room to Board Room: Lessons and Insights”
Peter Pisters, Houston, TX
Authors available at their posters to answer questions 12:30 pm - 1:30 pm; posters on display 9:30 AM - 4 PM.
Room S106
4370
WRITER'S WORKSHOP: RESULTS, TABLES AND FIGURES: EFFICIENTLY AND EFFECTIVELY DELIVERING YOUR MESSAGE TO THE REVIEWER
Speakers: | Timothy Pawlik, Columbus, OH Richard Hodin, Boston, MA |
Room S406
4385
HOW WE EDUCATE OUR FELLOWS IN ROBOTIC, LAPAROSCOPY AND OPEN SURGERY
Jump forward to: KELLY AND CARLOS PELLEGRINI SSAT-SAGES JOINT SYMPOSIUM: THE INTERSECTION OF BARIATRIC AND FOREGUT SURGERY
Faculty: | Sergio Bardaro, Cleveland, OH Kevin El-Hayek, Cleveland, OH Yalini Vigneswaran, Chicago, IL Marie King, Albany, NY |
Sp879
LAPAROSCOPY
Bruno Zilberstein, Sao Paolo, Brazil
Sp880
ROBOTIC SURGERY
Melissa Hogg, Evanston, IL
Sp881
ENDOSCOPY
Christy Dunst, Portland OR
Moderators: | Thomas Curran, Charleston, SC Sandy H. Fang, Portland, OR Jamie Murphy, London, United Kingdom (8-minute presentation, 6-minute discussion) |
723. NEOADJUVANT CHEMORADIOTHERAPY WITH LOCAL EXCISION FOR T2 AND T3 RECTAL CANCERS- MOVING TOWARDS A STANDARD OF CARE
J. H. Marks, H. Saidi, T. Ikner, T. Reif De Paula, D. S. Keller
Lankenau Institute for Medical Research, Wynnewood, PA, United States
J. H. Marks, H. Saidi, T. Ikner, T. Reif De Paula, D. S. Keller
Lankenau Institute for Medical Research, Wynnewood, PA, United States

R. Hajjar2,1, E. Gonzalez3, G. Fragoso2, M. Oliero2, A. A. Alaoui2,1, A. Calvé2, H. Vennin Rendos2, S. Djediai4, T. Cuisiniere2, P. Laplante2, C. Gerkins2, A. S. Ajayi2, K. Diop2, N. Taleb2, S. Thérien2, F. Schampaert2, H. Alratrout5, F. Dagbert5, R. Loungnarath5, H. Sebajang5, F. Schwenter5, R. Wassef5, R. Ratelle5, É. Debroux5, J. Cailhier2,1, B. Routy2,1, B. Annabi4, N. J. Brereton1, C. S. Richard5,1, M. M. Santos2,1
1Surgery, Universite de Montreal, Laval, QC, Canada; 2Centre Hospitalier de l'Universite de Montreal Centre de Recherche, Montreal, QC, Canada; 3McGill University, Montreal, QC, Canada; 4Universite du Quebec a Montreal, Montreal, QC, Canada; 5Centre Hospitalier de l'Universite de Montreal, Montreal, QC, Canada

K. M. Fansiwala1, S. Noorian1, E. Spartz1, L. C. DeDecker1, A. R. Roney1, J. Turkiewicz2, C. Soriano1, E. Dente1, A. Sarabia Gonzalez1, S. Lasitani1, J. O. Yang1, J. S. Sauk3, M. Kwaan1, B. N. Limketkai3
1University of California Los Angeles David Geffen School of Medicine, Los Angeles, CA, United States; 2UCLA Medical Center Olive View, Sylmar, CA, United States; 3Center for Inflammatory Bowel Diseases, Vatche & Tamar Manoukian Division of Digestive Diseases, University of California Los Angeles, Los Angeles, CA, United States

G. Becherucci1, C. Ruffolo1, M. Scarpa2, A. Stepanyan1, I. Maretto1, O. De Simoni2, R. Salmaso1, G. Spolverato1, S. Negro1, I. Angriman1, A. Kotsafti1, C. Vignotto1, F. Scognamiglio1, M. Zizzo3, F. Marchegiani1, L. Facci1, F. Bergamo2, S. Brignola1, G. Businello1, V. Guzzardo1, L. Dal Santo1, C. Ceccon1, M. Massani4, A. Pozza4, I. Cataldo4, T. Stecca4, A. Dei Tos1, V. Zagonel2, P. Pilati2, B. Franzato2, A. Scapinello2, B. Salmaso5, G. Pirozzolo6, A. Porzionato2, M. Agostini2, Q. Bao1, F. Cavallin1, B. Di Camillo1, R. Bardini1, I. Castagliuolo1, S. Pucciarelli1, M. Fassan1, M. Scarpa1
1Chirurgia Generale 3, Azienda Ospedale Universita Padova, Padova, Veneto, Italy; 2Istituto Oncologico Veneto Istituto di Ricovero e Cura a Carattere Scientifico, Padova, Veneto, Italy; 3Arcispedale Santa Maria Nuova di Reggio Emilia, Reggio Emilia, Emilia-Romagna, Italy; 4Azienda ULSS n 2 Marca Trevigiana, Treviso, Veneto, Italy; 5Azienda ULSS 5 Polesana, Rovigo, Veneto, Italy; 6Azienda ULSS 3 Serenissima, Venezia, Veneto, Italy
727. OUTCOMES OF FIRST-LINE PALLIATIVE SYSTEMIC THERAPY ALTERNATED WITH OXALIPLATIN-BASED PRESSURIZED INTRAPERITONEAL AEROSOL CHEMOTHERAPY IN PATIENTS WITH UNRESECTABLE COLORECTAL PERITONEAL METASTASES IN A MULTICENTER, SINGLE-ARM, PHASE II TRIAL
V. C. van de Vlasakker1, P. Rauwerdink2, K. P. Rovers1, E. Wassenaar2, M. J. Deenen1, J. Nederend1, C. Huysentruyt1, R. J. Fijneman3, E. van der Hoeven2, G. Raicu2, A. Constantinidis4, O. Kranenburg4, M. Los2, G. Creemers1, J. burger1, M. Wiezer2, S. Nienhuijs1, R. Lurvink1, D. Boerma2, I. H. de Hingh1
1Surgery, Catharina Ziekenhuis, Eindhoven, North Brabant, Netherlands; 2Sint Antonius Ziekenhuis, Nieuwegein, Utrecht, Netherlands; 3Antoni van Leeuwenhoek Nederlands Kanker Instituut, Amsterdam, Noord-Holland, Netherlands; 4Universitair Medisch Centrum Utrecht, Utrecht, Utrecht, Netherlands
V. C. van de Vlasakker1, P. Rauwerdink2, K. P. Rovers1, E. Wassenaar2, M. J. Deenen1, J. Nederend1, C. Huysentruyt1, R. J. Fijneman3, E. van der Hoeven2, G. Raicu2, A. Constantinidis4, O. Kranenburg4, M. Los2, G. Creemers1, J. burger1, M. Wiezer2, S. Nienhuijs1, R. Lurvink1, D. Boerma2, I. H. de Hingh1
1Surgery, Catharina Ziekenhuis, Eindhoven, North Brabant, Netherlands; 2Sint Antonius Ziekenhuis, Nieuwegein, Utrecht, Netherlands; 3Antoni van Leeuwenhoek Nederlands Kanker Instituut, Amsterdam, Noord-Holland, Netherlands; 4Universitair Medisch Centrum Utrecht, Utrecht, Utrecht, Netherlands
Faculty: | Yun Shin Chun, Houston, TX Emily Winslow, Washington, DC Yoshikuni Kawaguchi, Tokyo, Japan |
Sp994
ADVANCED SURGERY FOR CHOLANGIOCARCINOMA
Hauke Lang, Mainz, Germany
Sp995
ADVANCEMENTS IN PARENCHYMAL SPARING LIVER SURGERY
Guido Torzilli, Milano, Italy
Sp996
CONVERSION SURGERY FOR ADVANCED HEPATOCELLULAR CARCINOMA
Junichi Shindoh, Tokyo, Japan
Sp997
MULTIDISCIPLINARY TUMOR BOARD FOR LIVER SURGERY
Catherine Teh, Quezon City, Philippines
Room S406
4385
THE INTERSECTION OF BARIATRIC AND FOREGUT SURGERY
View Video
Jump back to: KELLY AND CARLOS PELLEGRINI SSAT-SAGES JOINT SYMPOSIUM: HOW WE EDUCATE OUR FELLOWS IN ROBOTIC, LAPAROSCOPY AND OPEN SURGERY
Faculty: | Sergio Bardaro, Cleveland, OH Kevin El-Hayek, Cleveland, OH Yalini Vigneswaran, Chicago, IL KMarie King, Albany, NY |
Sp882
HOW I APPROACH HIATAL HERNIA REPAIRS DURING BARIATRIC SURGERY
John Romanelli, Springfield, MA
Sp883
GERD TREATMENT IN PATIENTS WITH BMI 30-35
Aurora Pryor, Stony Brook, NY
Room S504
4520PANEL IV
SSAT INTERNATIONAL PARTNERSHIPS: STORIES OF SUCCESS AND BRIDGES TO THE FUTURE
Faculty: | Rebecca Anne Snyder, Houston TX Imran Hassan, Cedar Rapids, IA Richard R. Gurski, Porto Alegre, Brazil (abstracts will have 8-minute presentation, 6-minute discussion) |
Sp955
ESTABLISHING A SUCCESSFUL SSAT CHAPTER IN INDIA
Vikram Kate, Pondicherry, India
ESTABLISHING A SUCCESSFUL SSAT CHAPTER IN MEXICO
Samuele Kleinfinger, Mexico City, Mexico
Sp956
CHALLENGES IN ESTABLISHING AN INTERNATIONAL SSAT CHAPTER AND LESSON LEARNED
Catherine Teh, Quezon City, Philippines

R. Theijse1, T. Stoop1, M. Katz2, C. D. Tzeng2, A. C. Wei3, A. H. Zureikat5, B. Groot Koerkamp4, M. G. Besselink1
1Surgery, Amsterdam UMC Locatie VUmc, Amsterdam, Noord-Holland, Netherlands; 2The University of Texas MD Anderson Cancer Center, Houston, TX, United States; 3Memorial Sloan Kettering Cancer Center, New York, NY, United States; 4Erasmus MC, Rotterdam, Zuid-Holland, Netherlands; 5UPMC, Pittsburgh, PA, United States

L. Maggino, G. Lionetto, A. Bottardi, S. Nobile, F. Casciani, C. Luchini, A. Scarpa, C. Bassi, G. Malleo, R. Salvia
Unit of General and Pancreatic Surgery, Universita degli Studi di Verona Scuola di Medicina e Chirurgia, Verona, Veneto, Italy
Faculty: | Puja G. Khaitan, Washington DC Ulysses Ribeiro, Sao Paulo, Brazil Anne O. Lidor, Madison, WI (8-minute presentation, 6-minute discussion) |

V. N. VanDruff1,2, J. R. Amundson1, S. Joseph3,2, S. Che2, C. J. Zimmermann2, S. Ishii2, K. Kuchta2, H. M. Hedberg2, M. Ujiki2
1General Surgery, University of Chicago Division of the Biological Sciences, Chicago, IL, United States; 2NorthShore University HealthSystem, Evanston, IL, United States; 3Wayne State University, Detroit, MI, United States

L. Provenzano, M. Santangelo, G. Capovilla, A. Vittori, L. Nicoletti, F. Forattini, G. Nezi, M. Valmasoni, A. Costantini, M. Costantini, R. Salvador
Universita degli Studi di Padova, Padova, Veneto, Italy

D. Vaiciunaite1, S. Eriksson1, I. Sarici1, P. Zheng1, A. H. Zaidi1,2, B. Jobe1, S. Ayazi1,2
1Esophageal Institute, Allegheny Health Network, Pittsburgh, PA, United States; 2Department of Surgery, Drexel University, Philadelphia, PA, United States
810. PROGNOSTIC ROLE OF TUMOR-INFILTRATING LYMPHOCYTES IN TUMOR MICROENVIRONMENT OF GASTRIC CANCER
M. A. Pereira1,2, M. F. Ramos1,2, L. Cardili1,2, R. D. de Moraes1,2, A. R. Dias1,2, V. A. Alves1,2, B. Zilberstein1,2, E. S. de Mello1,2, U. Ribeiro1,2
1Universidade de Sao Paulo Faculdade de Medicina, Sao Paulo, São Paulo, Brazil; 2Universidade de Sao Paulo Instituto do Cancer do Estado de Sao Paulo, Sao Paulo, São Paulo, Brazil
M. A. Pereira1,2, M. F. Ramos1,2, L. Cardili1,2, R. D. de Moraes1,2, A. R. Dias1,2, V. A. Alves1,2, B. Zilberstein1,2, E. S. de Mello1,2, U. Ribeiro1,2
1Universidade de Sao Paulo Faculdade de Medicina, Sao Paulo, São Paulo, Brazil; 2Universidade de Sao Paulo Instituto do Cancer do Estado de Sao Paulo, Sao Paulo, São Paulo, Brazil
811. MICROSATELLITE INSTABILITY ON THE PROGNOSIS AND EFFICACY TO CHEMOTHERAPY IN GASTRIC CANCER PATIENTS: A PROPENSITY SCORE-MATCHED STUDY
M. A. Pereira1,2, M. F. Ramos1,2, A. R. Dias1,2, L. Cardili1,2, V. A. Alves1,2, B. Zilberstein1,2, E. S. de Mello1,2, U. Ribeiro1,2
1Universidade de Sao Paulo Faculdade de Medicina, Sao Paulo, São Paulo, Brazil; 2Universidade de Sao Paulo Instituto do Cancer do Estado de Sao Paulo, Sao Paulo, São Paulo, Brazil
M. A. Pereira1,2, M. F. Ramos1,2, A. R. Dias1,2, L. Cardili1,2, V. A. Alves1,2, B. Zilberstein1,2, E. S. de Mello1,2, U. Ribeiro1,2
1Universidade de Sao Paulo Faculdade de Medicina, Sao Paulo, São Paulo, Brazil; 2Universidade de Sao Paulo Instituto do Cancer do Estado de Sao Paulo, Sao Paulo, São Paulo, Brazil
Faculty: | Flavio G. Rocha, Portland OR Susan Tsai, Milwaukee, WI Eduardo E. Montalvo-Jave, Mexico City, Mexico (8-minute presentation, 6-minute discussion) |
802. TMEM DOORWAYS ARE AN ACTIONABLE TARGET IN PANCREATIC ADENOCARCINOMA
J. C. Mcauliffe1, J. Petersen2, R. Eddy2, X. Ye2, C. Adkisson1, D. Entenberg2, M. Oktay1, J. Condeelis2, N. Panarelli1
1Surgery, Montefiore Medical Center, Bronx, NY, United States; 2Albert Einstein College of Medicine, Bronx, NY, United States
J. C. Mcauliffe1, J. Petersen2, R. Eddy2, X. Ye2, C. Adkisson1, D. Entenberg2, M. Oktay1, J. Condeelis2, N. Panarelli1
1Surgery, Montefiore Medical Center, Bronx, NY, United States; 2Albert Einstein College of Medicine, Bronx, NY, United States
803. SURGERY ACCELERATES PANCREATIC LIVER METASTASIS IN AN IMMUNE COMPETENT MOUSE MODEL
J. L. Phipps, I. A. English, J. M. Chu, M. Tsuda, K. A. MacPherson, C. J. Daniel, C. Pelz, J. Brody, B. C. Sheppard, R. Sears, P. J. Worth
Oregon Health & Science University, Portland, OR, United States
J. L. Phipps, I. A. English, J. M. Chu, M. Tsuda, K. A. MacPherson, C. J. Daniel, C. Pelz, J. Brody, B. C. Sheppard, R. Sears, P. J. Worth
Oregon Health & Science University, Portland, OR, United States
804. BIOLOGIC FACTORS ASSOCIATED WITH MAJOR PATHOLOGIC RESPONSE AND SURVIVAL IN PATIENTS AFTER RESECTION OF COLORECTAL LIVER METASTASIS
A. Haddad, H. Maki, R. Ayabe, M. Lendoire, T. E. Newhook, H. S. Tran Cao, Y. Chun, C. D. Tzeng, J. Vauthey
Hepato-Pancreato-Biliary Surgery, The University of Texas MD Anderson Cancer Center Division of Surgery, Houston, TX, United States
A. Haddad, H. Maki, R. Ayabe, M. Lendoire, T. E. Newhook, H. S. Tran Cao, Y. Chun, C. D. Tzeng, J. Vauthey
Hepato-Pancreato-Biliary Surgery, The University of Texas MD Anderson Cancer Center Division of Surgery, Houston, TX, United States
805. COLORECTAL CANCER PRIMES LIVER RECRUITMENT OF CCR2+ TUMOR ASSOCIATED MACROPHAGES TO ESTABLISH A PRE-METASTATIC NICHE
T. Nywening, A. Karachristos
University of South Florida, Tampa, FL, United States
T. Nywening, A. Karachristos
University of South Florida, Tampa, FL, United States

A. N. Martin, T. E. Newhook, E. M. Arvide, W. L. Dewhurst, A. M. Jin, H. S. Tran Cao, Y. Chun, J. Vauthey, C. D. Tzeng
Surgical Oncology, The University of Texas MD Anderson Cancer Center Division of Surgery, Houston, TX, United States
TITLE: “Diversity, Equity and Inclusion: Where Are We Now And Where We Need to Go”
Moderators: | Ibironke Oduyebo Rockville, MD Adjoa Anyane-Yeboa Boston, MA |
Immediately following the DDW Diversity Symposium, this reception provides a networking opportunity for attendees to gather, discuss relevant issues, and learn more about what each society is doing to promote diversity in GI.
Members Only
<<Sunday | Program and Abstracts | Tuesday>>