Ectopic opening of the common bile duct into the duodenal bulb with recurrent choledocholithiasis: A case report

Figure 3 Surgical procedure. A: Dissection of the extrahepatic bile duct (white arrow); B: Superficial common bile duct under the pylorus, which exhibited an ectopic opening into the duodenal bulb (white arrow); C: After incising the common bile duct and removing the stone, the nasal bile duct in the common bile duct was visible (white arrow); D: Excision of the extrahepatic bile duct and complete cholangiojejunostomy.