title: Editorial comment.
authors.forename: Jonathan I
authors.initials: JI
authors.lastname: Epstein
mesh_terms: D014408:Biomarkers, Tumor / Q000097:blood*; D006801:Humans; D008297:Male; D009364:Neoplasm Recurrence, Local / Q000532:radiotherapy*; D017430:Prostate-Specific Antigen / Q000097:blood*; D011471:Prostatic Neoplasms / Q000097:blood* / Q000473:pathology*
chemical_list: D014408:Biomarkers, Tumor; D017430:Prostate-Specific Antigen