title: Editorial comment.
authors: Roberto M
authors: RM
authors: Scarpa
authors: Cecilia M
authors: CM
authors: Cracco
mesh_terms: D000622:Aminolevulinic Acid / Q000031:analogs & derivatives*; D002250:Carbon Radioisotopes; D015653:Cystectomy / Q000379:methods; D003558:Cystoscopy; D006801:Humans; D009364:Neoplasm Recurrence, Local / Q000453:epidemiology; D018365:Neoplasm, Residual; D017319:Photosensitizing Agents; D014521:Urethra; D001749:Urinary Bladder Neoplasms / Q000175:diagnosis* / Q000473:pathology / Q000601:surgery*
chemical_list: D002250:Carbon Radioisotopes; D017319:Photosensitizing Agents; D000622:Aminolevulinic Acid; C419924:5-aminolevulinic acid hexyl ester