title: Editorial comment.
authors.forename: W Scott
authors.initials: WS
authors.lastname: McDougal
mesh_terms: D002295:Carcinoma, Transitional Cell / Q000150:complications / Q000000981:diagnostic imaging*; D006417:Hematuria / Q000209:etiology; D006801:Humans; D007680:Kidney Neoplasms / Q000150:complications / Q000000981:diagnostic imaging*; D015203:Reproducibility of Results; D014057:Tomography, X-Ray Computed; D014516:Ureteral Neoplasms / Q000150:complications / Q000000981:diagnostic imaging*; D014554:Urination; D014567:Urography / Q000379:methods