Endoscopic therapy for gastric stromal tumors originating from the muscularis propria

Figure 2 Endoscopic submucosal excavation treatment for a gastric stromal tumor originating from the muscularis propria that is larger than 1. 2 cm. A: Submucosa lesion at the gastric corpus; B: Endoscopic ultrasound shows that the lesion originates from the muscularis propria; C: The mucosa of the stromal tumor was cut after submucosal injection; D: Dissection with an IT knife; E: The excavated wound surface, showing that no perforation occurred; F: The resected stromal tumor (4 cm in size).