NCI Dictionary of Cancer Terms

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The NCI Dictionary of Cancer Terms features 7,812 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.

total PSA
(TOH-tul ...)
The total amount of prostate-specific antigen (PSA) in the blood. It includes the amount of free PSA and the amount of PSA attached to other proteins.