Endoscopy dissection of small stromal tumors emerged from the muscularis propria in the upper gastrointestinal tract: Preliminary study

Figure 2 Endoscopic submucosal dissection process for esophageal submucosal tumor. A: Esophageal submucosal tumor located in the median esophagus; B: The lesion was found in the muscularis propria by endoscopic ultrasonography; C, D: The lesion was exposed by dissection of a hook knife and gradually resected by an IT knife-2; E: After the tumor fell off, the cut oozing was stopped using metal clips; F: The lesion (2.0 cm × 1.0 cm) was completely resected with an intact envelope; G: After 2 wk follow-up, the incision disappeared and the wound surface looked smooth.