Objective: To analysis the curative effect and risk of submucosal tunneling endoscopic resection( STER) for esophaugus leiomyoma. Methods: Success rate,safety,complication rate and prognosis of 52 patients with esophaugus leiomyoma,who were treated by STER,from January 2013 to May 2016 were analyzed retrospectively. Results: All 52 cases successfully received submucosal tunneling endoscopic resection. The operation time were 30 ~ 90min( mean 48 min). During operation,4 cases had perforation. 1 case transfer...