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.

paralytic ileus
(PAYR-uh-LIH-tik IH-lee-us)
A condition in which the muscles of the intestines do not allow food to pass through, resulting in a blocked intestine. Paralytic ileus may be caused by surgery, inflammation, and certain drugs.