Submucosal tunneling and endoscopic resection of submucosal tumors at the esophagogastric junction

Figure 1 Submucosal tunneling and endoscopic resection of subepithelial tumors at the esophagogastric junction originating from the muscularis propria layer. A: Endoscopic view of subepithelial tumors; B: Endoscopic ultrasonographic evaluation of the same lesion; C: Submucosal tunnel to the lesion (with a hook knife); D: The exposed tumor; E: Annular growth of the tumor; F: The resected specimen; G: The mucosal entry incision; H: The closure of the mucosal entry incision (with several clips).