| http://www.w3.org/ns/prov#value | - PCA3 Urine PCA3 is a molecular diagnostic test performed on urine rather than blood and detects mRNA that is excreted into the urethra via the epithelial cells that line the prostatic ducts.10 Prostate cancer cells tend to produce this compound far more than normal cells do.10 The PCA3 urine test has to be done in a urologist???s, or other doctor???s, office, because it requires a digital rectal m
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