Outpatient hybrid endoscopic submucosal dissection with SOUTEN for early gastric cancer, followed by endoscopic suturing of the mucosal defect: A case report

Figure 3 Hybrid endoscopic submucosal dissection process with SOUTEN. A: A knife attached to the top of the snare is used to mark the lesion; B: A mixture of hyaluronic acid and saline is injected into the submucosa around the lesion; C: A knife attached to the top of the snare is used to dissect the submucosal around the lesion; D: Resection of the lesion with the snare.