title: Response to editorial by Dr. Robert Kagan.
authors.forename: W J
authors.initials: WJ
authors.lastname: Spanos
mesh_terms: D004064:Digestive System / Q000528:radiation effects*; D006801:Humans; D009369:Neoplasms / Q000401:mortality / Q000532:radiotherapy*; D011878:Radiotherapy / Q000009:adverse effects* / Q000379:methods; D016019:Survival Analysis