Fig. 5. Unilateral covered stent placement in a 83-year-old man with intrahepatic cholangiocarcinoma and right portal vein occlusion. (A) Computed tomographic image shows intrahepatic bile duct dilatation and right portal vein occlusion (arrow) caused by intrahepatic cholangiocarcinoma (asterisk). (B) Cholangiogram via the left-sided catheter shows occlusion of the left intrahepatic bile duct and upper common bile duct. Right intrahepatic bile duct is not opacified by contrast media. (C) Cholangiogram 3 days after polytetrafluoroethylen-covered stent placement shows good passage of contrast media through the stent (arrows).
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