P.12.11: Endoscopic Submucosal Dissection (ESD) of Superficial Colorectal Neoplasms at the Anal Canal and Ileocecal Valve. (15th March 2017) - Iacopini, F.; Saito, Y.; Gotoda, T.; Elisei, W.; Grossi, C.; Montagnese, F.; Andrei, F.; Costamagna, G.