125 Underwater Versus Conventional Endoscopic Mucosal Resection for the Treatment of Colorectal Laterally Spreading Tumors: Results From an International, Multicenter, Randomized Controlled Trial

INTRODUCTION: Safe and effective resection of large colonic polyps remains a challenge for the practicing endoscopist. Recently, an underwater technique for endoscopic mucosal resection (UEMR) has emerged as an alternative to conventional injection-assisted EMR (CEMR). While the effectiveness of UEMR technique seems to be borne out in several case series and retrospective analyses, prospective data regarding its performance against CEMR...