Fig. 4. Computed tomographic images obtained before percutaneous transhepatic biliary drainage (A) and two months after unilateral stent placement (B) in a 75-year-old man with cholangiocarcinoma and right portal vein occlusion show little diameter change of left intrahepatic bile duct after right-sided unilateral stent placement (arrow).

Gastrointestinal Intervention 2016;5:47~51 https://doi.org/10.18528/gii150004

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