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A prostate-specific antigen, or PSA, level higher than 10 indicates up to a 67 percent chance of prostate cancer, according to WebMD. PSA levels between 4 and 10 indicate a 25 percent chance of prostate cancer; PSA levels under 4 indicate a 15 percent chance of the disease.


The normal level of prostate-specific antigen, or PSA, is 4.0 nanograms per milliliter or lower. When a PSA test gives a higher result than this number, doctors can recommend a biopsy to confirm if prostate cancer is present. This is due to the fact that many men may have an elevated level of PSA an


An elevated prostate-specific antigen, or PSA, test result can indicate a higher chance that prostate cancer is present, even if there are no other symptoms present. A continuous rise in PSA levels over time is also associated with a likelihood of prostate cancer, according to the National Cancer In


A prostate-specific antigen level higher than 4.0 nanograms per milliliter may indicate prostate cancer. However, PSA levels may be higher in men for other reasons, and men should understand the limitations of prostate screening before they undergo it, the National Cancer Institute advises.


A prostate-specific antigen (PSA) test can detect prostate cancer early, according to the American Cancer Society. When a PSA level is above 4 ng/ml, it prompts doctors to perform additional tests which can diagnose cancer.


A combination of the results from a prostate-specific antigen blood test, digital rectal exam and the Gleason score from a biopsy are used to indicate if cancer has spread beyond the prostate, explains the American Cancer Society. If the results indicate the cancer may have spread, imaging tests are


High PSA levels may indicate prostate cancer, prostatitis or an enlarged prostate, states WebMD. PSA levels in men naturally increase with age. In most cases, a PSA level under 4 nanograms per milliliter is considered normal, and men with this result have a low chance of prostate cancer.


Free PSA levels are not typically ordered as a stand-alone test. When evaluated alongside total PSA, free-PSA levels are a fairly accurate indicator of prostate cancer, according to Harvard Medical School.


An elevated prostate-specific antigen, or PSA, level indicates a greater risk of prostate cancer, according to the National Cancer Institute. Men with PSA levels above 4.0 nanograms per milliliter are at added risk of cancer and may need a biopsy to rule out prostate cancer.


Several different factors cause elevations of the prostate-specific antigen, including prostate cancer and noncancerous conditions, according to Mayo Clinic. In most men, the PSA levels are below 4 nanograms per milliliter, which is the traditional cutoff for concerns about cancer; however, prostate