AIM To evaluate the efficacy and safety of endoscopic submucosal dissection(ESD) for small rectal submucosal tumors(SMTs).METHODS Between August 2008 and March
AIM: To study the preoperative and postoperative role of upper esophagogastroduodenoscopy (EGD) in morbidly obese patients.METHODS: This is a multicenter retros