Hybrid laparo-endoscopic access: New approach to surgical treatment for giant fibrovascular polyp of esophagus: A case report and review of literature

Figure 4 Endoscopic steps of the surgery. A: Dissection of the mucosal and submucosal layers behind UES at the base of the tumor; B: Endoscopic submucosal dissection using endoscopic needle-knife; C: Coagulation of large feeding vessels in the submucosal layer using the coagrasper; D: The tumor is almost fully mobilized from the esophageal wall at its base.