Conditions: Gastric Submucosal Tumors; Endoscopic Full Thickness Resection (EFTR)
Interventions: Procedure: endoscopic double-layer suturing method with metallic clips
Sponsors: First Hospital of China Medical University
Completed Conditions: Gastric Submucosal Tumors; Endoscopic Full Thickness Resection (EFTR)
Interventions: Procedure: endoscopic double-layer suturing method with metallic clips
Sponsors: First Hospital of China Medical University
Completed
