Traction-assisted and saline immersion endoscopic submucosal dissection of a peri-appendiceal large non-pedunculated colorectal polyp - Montori, M; Argenziano, M E; Balducci, D; Debels, L; Desomer, L; Poortmans, P J; Sorge, A; Smeets, S; Tornai, T; Maroni, L; Tate, D J (Endoscopy, 2025)