Extended mastectomy.
D001365:Axilla; D001943:Breast Neoplasms / Q000401:mortality / Q000532:radiotherapy / Q000601:surgery*; D005260:Female; D006801:Humans; D008207:Lymphatic Metastasis; D008408:Mastectomy / Q000401:mortality; D008722:Methods; D009362:Neoplasm Metastasis