label: Metastatic Malignant Neoplasm in the Extrahepatic Bile Ducts
label_lc: metastatic malignant neoplasm in the extrahepatic bile ducts
description: "A malignant neoplasm that has spread to the extrahepatic bile ducts from another anatomic site.  Representative examples include metastatic melanoma and metastatic breast and gastric carcinomas."