title: Radiation therapy for primary breast cancer: some of the answers are in.
mesh_terms: D001943:Breast Neoplasms / Q000473:pathology / Q000532:radiotherapy* / Q000601:surgery; D005260:Female; D006801:Humans; D008197:Lymph Node Excision / Q000379:methods; D008408:Mastectomy / Q000379:methods; D009367:Neoplasm Staging; D011379:Prognosis; D013997:Time Factors