website prostate-specific antigen (PSA) testing visit the CDC's website Centers for Disease Control and Prevention informed decision DRE PSA digital rectal exam informed decision More on Prostate Cancer Screening screening men 55 years old or older for prostate cancer cdc.gov Prostate Cancer Screening see updated version of document actually evaluated Screening Guidelines PSA http://www.cdc.gov/cancer/prostate/basic_info/screening.htm http://www.cdc.gov/cancer/prostate/basic_info/screening.htm More on Prostate Cancer Screening digital rectal exam prostate cancer screening Centros para el Control y la Prevención Prostate Cancer Screening Prostate Cancer screening Prostate Cancer Screening Prostate prostate-specific antigen (PSA) testing Prostate Cancer Screening