title: Proton beam therapy benefits relatively few cancers, US guideline says.
authors.affiliation: Seattle.
authors.forename: Michael
authors.initials: M
authors.lastname: McCarthy
mesh_terms: D006801:Humans; D009369:Neoplasms / Q000532:radiotherapy*; D017410:Practice Guidelines as Topic; D061766:Proton Therapy; D016896:Treatment Outcome; D014481:United States