Introduction Submucosal tunneling endoscopic resection(STER)for the treatment of upper gastrointestinal submucosal tumors originating from the muscularis propria was first introduced by Xu et al.[1]in 2012.It has been...Introduction Submucosal tunneling endoscopic resection(STER)for the treatment of upper gastrointestinal submucosal tumors originating from the muscularis propria was first introduced by Xu et al.[1]in 2012.It has been demonstrated to be safe and effective for treating small(<3.5 cm)esophageal leiomyoma.However,sometimes the esophageal leiomyoma may be a giant mass and protrude into the mediastinum.展开更多
文摘Introduction Submucosal tunneling endoscopic resection(STER)for the treatment of upper gastrointestinal submucosal tumors originating from the muscularis propria was first introduced by Xu et al.[1]in 2012.It has been demonstrated to be safe and effective for treating small(<3.5 cm)esophageal leiomyoma.However,sometimes the esophageal leiomyoma may be a giant mass and protrude into the mediastinum.