NCI Dictionary of Cancer Terms
The NCI Dictionary of Cancer Terms features 7,913 terms related to cancer and medicine.
- prostate-specific antigen test
- listen (PROS-tayt-speh-SIH-fik AN-tih-jen ...)
A blood test that measures the level of prostate-specific antigen (PSA), a substance produced by the prostate and some other tissues in the body. Increased levels of PSA may be a sign of prostate cancer.