NCI Dictionary of Cancer Terms

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The NCI Dictionary of Cancer Terms features 7,777 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.

portal vein
(POR-tul vayn)
A blood vessel that carries blood to the liver from the intestines, spleen, pancreas, and gallbladder. Also called hepatic portal vein.