NCI Dictionary of Cancer Terms

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The NCI Dictionary of Cancer Terms features 7,855 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.

myelomatosis
(MY-eh-loh-muh-TOH-sis)
A type of cancer that begins in plasma cells (white blood cells that produce antibodies). Also called Kahler disease, multiple myeloma, and plasma cell myeloma.