Management of pancreatic phlegmon following acute and chronic pancreatitis can be a protracted, difficult course for both patients and surgeons alike. Open surgical debridement has fallen out of favor given the difficulty with wound care. Percutaneous/laparoscopic debridement via the drain tract offers an effective debridement technique with the benefits of minimally invasive surgery. This is our technique of retroperitioneal phlegmon debridement including management of bleeding.