Digestive Endoscopic Submucosal Dissection Training Using Konjac.

Endoscopic submucosal dissection (ESD) is used to treat various gastrointestinal tumors1 ; however, ESD require significant training to become perfect.2,3 Several ESD training models rely on either a porcine digestive tract or polyvinyl alcohol hydrogel (PVA-H) digestive tract replica.