title: The PSA: one test with three uses.
mesh_terms: D006801:Humans; D008297:Male; D009367:Neoplasm Staging / Q000379:methods; D017430:Prostate-Specific Antigen / Q000097:blood*; D011468:Prostatectomy; D011471:Prostatic Neoplasms / Q000175:diagnosis* / Q000473:pathology / Q000628:therapy
chemical_list: D017430:Prostate-Specific Antigen