Figure 5.

Case illustration of submucosal tunneling endoscopic resection. (A) We could see a submucosal tumor in the gastric fundus; (B) after submucosal injection, a longitudinal mucosal incision was made 3 cm above the tumor, and a submucosal tunnel was created between the submucosal and muscularis propria layer, and then the submucosal tumor was visible; (C) carefully dissected the tumor from the muscularis propria layer and remove the tumor; (D) the wound surface after tumor removal; (E) close the tunnel entry with several clips; (F) the resected tumor.