Experimental model of two-colonoscope surgery for superficially spreading colonic tumors larger than 3 cm in the right colon.

In the present study, we experimentally examined the feasibility of two-colonoscope surgery using two types of forceps to achieve safe, reliable, and complete endoscopic mucosal resection (EMR)/endoscopic submucosal dissection (ESD) of large superficial tumors in the right colon. It was confirmed at all experimental sessions that the two pairs of forceps… (More)