Does the double-opening submucosal tunneling endoscopic resection technique really work for submucosal tumors in the esophagus and gastric fundus near the cardia?

• References

• 1 Zhang Q, Cai JQ, Xiang L. et al. Modified submucosal tunneling endoscopic resection for submucosal tumors in the esophagus and gastric fundus near the cardia. Endoscopy 2017; 49: 784-791
• 2 Chen T, Zhang C, Yao LQ. et al. Management of the complications of submucosal tunneling endoscopic resection for upper gastrointestinal submucosal tumors. Endoscopy 2016; 48: 149-155
• 3 Wang H, Tan Y, Zhou Y. et al. Submucosal tunneling endoscopic resection for upper gastrointestinal submucosal tumors originating from the muscularis propria layer. Eur J Gastroenterol Hepatol 2015; 27: 776-780
• 4 Li Z, Gao Y, Chai N. et al. Effect of submucosal tunneling endoscopic resection for submucosal tumors at esophagogastric junction and risk factors for failure of en bloc resection. Surg Endosc 15.08.2017; [Epub ahead of print]