Can survival be increased by post-operative irradiation?
D001943:Breast Neoplasms / Q000401:mortality / Q000532:radiotherapy* / Q000601:surgery; D005260:Female; D006801:Humans; D008207:Lymphatic Metastasis; D008408:Mastectomy / Q000379:methods; D009362:Neoplasm Metastasis; D009364:Neoplasm Recurrence, Local / Q000517:prevention & control; D011182:Postoperative Care