title: Reply to external validation of a model to predict local failure after radical cystectomy.
authors.affiliation: Department of Radiation Oncology, Hospital of the University of Pennsylvania, Philadelphia, Pennsylvania.
authors.forename: John
authors.initials: J
authors.lastname: Christodouleas
authors.forename: Brian
authors.initials: B
authors.lastname: Baumann
mesh_terms: D015653:Cystectomy; D005260:Female; D006801:Humans; D008297:Male; D009364:Neoplasm Recurrence, Local / Q000209:etiology*; D001749:Urinary Bladder Neoplasms / Q000601:surgery*