Ponchon, T.

endoscopic submucosal dissection endoscopic training submucosal endoscopy dissection workshop specimen knife participant procedure perforation animal 1 / session experience perforations resection complication japan model cancer submucosa esd specimens lesion stomach performance musculari muscularis propria endosc trainee endoscopist muscularis mucosae station esophagus training sessions curve author knives olympu skill porcine corpus 4.5 h © 2011 piglet esophageal mucosal level endoscopic mucosal resection layer gastroenterological tumor thickness expert society propria fi rst year organ location technique center training stations antrum endoscopic resection colon bloc resection porcine model fujishiro m esophageal esd gastrointest germany department preparation austria europe university histological aspect mucosa