Endoscopic Resection of LST in Ascending Colon

Diana Dougherty, MD and Klaus Mönkemüller, MD, PhD, FASGE, FJGES

Department of Gastroenterology, Carilion Memorial Hospital, Virginia Tech Carilion School of Medicine, Roanoke, USA

A flat polypoid lesion was found in the ascending colon (A). As this lesion was larger than 10 mm, by definition it’s an LST (laterally spreading tumor).

The key initial steps to plan an adequate resection are to: