| http://www.w3.org/ns/prov#value | - a lump or hardness in the prostate detected during a rectal examination (in which a doctor feels the prostate gland with a gloved finger inserted into the rectum), or a blood PSA (prostate specific antigen) level over 4 ng/mL (which suggests prostate cancer or other prostate problems), or a PSA over 3 ng/mL in men at high risk for prostate cancer, such as African American men or men with close rel
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