title: Structure of radiotherapy in Japan.
authors.forename: H
authors.initials: H
authors.lastname: Ikeda
mesh_terms: D006801:Humans; D015994:Incidence; D007564:Japan / Q000453:epidemiology; D009369:Neoplasms / Q000453:epidemiology* / Q000532:radiotherapy; D011878:Radiotherapy / Q000592:standards* / Q000639:trends