NCI Dictionary of Cancer Terms

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The NCI Dictionary of Cancer Terms features 7,780 terms related to cancer and medicine.

Browse the dictionary by selecting a letter of the alphabet or by entering a cancer-related word or phrase in the search box.

bile duct cancer
(bile dukt KAN-ser)
Cancer that forms in a bile duct. A bile duct is a tube that carries bile (fluid made by the liver that helps digest fat) between the liver and gallbladder and the intestine. Bile ducts include the common hepatic, cystic, and common bile ducts. Bile duct cancer may be found inside the liver (intrahepatic) or outside the liver (extrahepatic).