Malignant bile duct obstruction的用法和樣例：
例句
- Obstruction of the bile duct is associated with cholangitis.
膽管梗阻能併發膽管炎。 - The comparison of therapeutic effect using expandable metallic biliary endorosthesis and endoscopic retrobiliary drainage in patients of mallignant hilar biliary obstruction.
對惡性肝門部膽管梗阻用自膨式金屬內支架與內鏡逆行膽管內引流療效對比。
