Fig. 2 a.
Punctured B2 duct with a 19-G needle. b Insertion of the catheter over the wire and contrasted biliary ducts. c Successfully inserted uncovered metallic stents using the antegrade technique with balloon predilatation. d Insertion of a temporary single pigtail plastic stent from the left intrahepatic bile duct to the esophagus to prevent biliary leakage.