Fig. 2From: Enlarged fistulotomy of the papilla as access to the biliary tract during ERCPEFP with lateral incisions. a papilla of difficult cannulation with the guide wire; b wide longitudinal incision and lateral incisions; c exposure of the submucosa by pushing aside the mucosal edges, sectioning the musculature fibers until opening the common bile duct; d deep cannulation of the bile ductBack to article page