PSA stands for prostate-specific antigen, a substance naturally produced in prostate tissue. A small amount of PSA regularly sneaks into the bloodstream, and low blood concentration is considered ...

The prostate health index (PHI) is a blood test that more accurately assesses the risk of prostate cancer than a traditional PSA test. The PHI combines three different PSA tests to create one risk ...

While a PSA of 12.9 ng/ml does raise concern, it does not automatically mean cancer, noted Dr Saraf. “The risk depends on age ...

PSA levels can be elevated for reasons other than cancer, such as an enlarged or inflamed prostate. False positive and false negative PSA test results are possible. The American Cancer Society does ...