Fibrin sealant for closure of mucosal penetration at the cardia during peroral endoscopic myotomy: A retrospective study at a single center

Figure 1 Closure of the mucosal penetration using fibrin sealant. A: Spraying fibrin sealant in the submucosal tunnel; B: Fibrin sealant fully covers the penetration (imaging from esophageal lumen); C: Fibrin sealant fully covers the penetration (imaging from stomach lumen).