Learning Curve in a Western Training Center of the Circumferential En Bloc Esophageal Endoscopic Submucosal Dissection in an In Vivo Animal Model
Figure 1
Procedure: (a) artificial lesion marked with coagulation points; (b) injection of normal saline with epinephrine and indigo carmine; (c) and (d) hook knife cutting and sweeping off around the lesion.