Originates in the Prostate Gland Prostate cancer is a type of cancer that starts in the prostate gland, which is a small gland in men that helps produce fluid for semen. Measures Prostate-Specific Antigen PSA Free and PSA Total At home blood sample collection DHA-licensed nurses & lab partners No fasting required prior to testing Urine has to be given in same visit, the nurse will wait Results in 3-4 days