NCI Dictionary of Cancer Terms

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The NCI Dictionary of Cancer Terms features 7,790 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.

stage I perihilar extrahepatic bile duct cancer
(... PAYR-ee-HY-ler EK-struh-heh-PA-tik bile dukt KAN-ser)
Cancer has formed in the innermost layer of the wall of the perihilar extrahepatic bile duct (where the bile duct leaves the liver) and has spread into the muscle and fibrous tissue of the wall.