Submerging Endoscopic Submucosal Dissection Leads to Successful En Bloc Resection of Colonic Laterally Spreading Tumor with Submucosal Fat
A 72-year-old female with a colonic laterally spreading tumor (LST) was referred to our department.A total colonoscopy revealed a large nongranular LST, 30 mm Double Wall Oven in diameter, in the ascending colon.Detailed examination with chromoendoscopy confirmed that the lesion was an intramucosal tumor, and endoscopic submucosal dissection (ESD)