R0 Resection Rate Between CSP, cEMR and hEMR for 1-2 cm Colorectal SSLs

"Cold snaring polypectomy: The technique of cold snare polypectomy is used to remove \[small colonic polyps\] without diathermy, which implies that a polyp is transected by a snare along with a rim of surrounding normal mucosa.~Cold EMR: Cold EMR technique comprising submucosal injection of succinylated gelatin and dilute methylene blue before piecemeal cold snare resection of target polyp with a margin of normal tissue.~Hot EMR: Hot EMR technique comprising submucosal injection of succinylated gelatin and dilute methylene blue before piecemeal electrocautery snare resection of target polyp with a margin of normal tissue."