Fig. 1
a Endoscopic retrograde cholangiopancreatography showing an intraluminal defect in the biliary hilum, Bismuth type 1. The arrow pointing to the intraluminal defect in the biliary hilum. b Percutaneous transhepatic portal vein embolization showing the embolization of the right branch of the portal vein performed by puncturing the segment 5a portal vein. Embolization was not done percutaneously through the chest