title: Adjuvant chemotherapy in breast cancer patients treated by primary radiation therapy.
mesh_terms: D000971:Antineoplastic Combined Chemotherapy Protocols / Q000627:therapeutic use*; D001943:Breast Neoplasms / Q000532:radiotherapy* / Q000628:therapy; D003131:Combined Modality Therapy; D006801:Humans; D008408:Mastectomy