Serum prostate-specific
antigen level is the abbreviation for serum
PSA level which 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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