NCI Dictionary of Cancer Terms
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.
- listen (PLAZ-muh-sy-TOH-muh)
A type of cancer that begins in plasma cells (white blood cells that produce antibodies). A plasmacytoma may turn into multiple myeloma.