A blood test that measures levels of molecules that are overproduced by prostate cancer cells, enabling physicians to identify prostate cancer early __________.

Question

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The prostate-specific antigen (PSA) test measures the level of PSA in the blood, which is a protein produced by both cancerous and noncancerous tissue in the prostate. Elevated levels can indicate prostate cancer, making the PSA test a key tool for early detection of the disease.

A Blood Test That Measures Levels of Molecules That Are