Treatment of esophageal submucosal tumors: endoscopic submucosal tunneling dissection versus thoracoscopic enucleation Du, C.; Linghu, E. Gastrointestinal Endoscopy 86(5): 925 2017 0016-5107 10.1016/j.gie.2017.05.010 https://eurekamag.com/research/060/422/060422566.php