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What prostate-specific antigen level is a concern for prostate cancer?

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Most men have prostate-specific antigen (PSA) levels under four (ng/mL) and this has traditionally been used as the cutoff for concern about the risk of prostate cancer. Men with prostate cancer often have PSA levels higher than four, although cancer is a possibility at any PSA level. According to published reports, men who have a prostate gland that feels normal on examination and a PSA less than four have a 15% chance of having prostate cancer. Those with a PSA between four and 10 have a 25% chance of having prostate cancer and if the PSA is higher than 10, the risk increases and is greater than 50%. 

SOURCES: 

New England Journal Of Medicine.

American Urological Association. 

National Cancer Institute. 

American Cancer Society. 

News release, U.S. Preventive Services Task Force.

Reviewed by Laura J. Martin on July 4, 2019

SOURCES: 

New England Journal Of Medicine.

American Urological Association. 

National Cancer Institute. 

American Cancer Society. 

News release, U.S. Preventive Services Task Force.

Reviewed by Laura J. Martin on July 4, 2019

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What are normal prostate-specific antigen levels?

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