NCI Dictionary of Cancer Terms

The NCI Dictionary of Cancer Terms features 8,466 terms related to cancer and medicine.

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cytomegalovirus
(SY-toh-MEH-guh-loh-VY-rus)
A virus that may be carried in an inactive state for life by healthy individuals. It is a cause of severe pneumonia in people with a suppressed immune system, such as those undergoing bone marrow transplantation or those with leukemia or lymphoma. Also called CMV.