Mastectomy and lumpectomy are declared equal for survival from many breast cancers.
D001943:Breast Neoplasms / Q000401:mortality* / Q000473:pathology / Q000601:surgery; D005260:Female; D006801:Humans; D015412:Mastectomy, Segmental / Q000401:mortality*; D015413:Mastectomy, Simple / Q000401:mortality*; D015996:Survival Rate