title: Why do I need a prostate exam when my PSA levels are normal?
mesh_terms: D051517:Digital Rectal Examination / Q000379:methods*; D006801:Humans; D008297:Male; D017430:Prostate-Specific Antigen / Q000097:blood*; D011471:Prostatic Neoplasms / Q000097:blood / Q000175:diagnosis*; D012016:Reference Values
chemical_list: D017430:Prostate-Specific Antigen