Traction-assisted and saline immersion endoscopic submucosal dissection for complete resection of peri-appendiceal large nonpedunculated colorectal polyps - Montori, Michele; Argenziano, Maria E.; Poortmans, Pieter J.; Smeets, Sander; Sorge, Andrea; Maroni, Luca; Tate, David J. (Endoscopy, 2025)