Serum PSA level is
the abbreviation for the prostate-specific antigen test
and is the amount of PSA present within the blood stream.
A small amount of prostate gland-produced PSA will normally
leak into the blood stream and if the prostate gland
enlarges, the serum PSA level rises accordingly. An
enlarged prostate gland is associated with prostate
cancer due to the growth of a malignant tumor. The PSA
test measures the serum PSA level.
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