title: Natural history of lymph-node-negative breast cancer.
mesh_terms: D000206:Actuarial Analysis; D000230:Adenocarcinoma / Q000401:mortality / Q000601:surgery; D000328:Adult; D000368:Aged; D001943:Breast Neoplasms / Q000401:mortality* / Q000601:surgery; D002285:Carcinoma, Intraductal, Noninfiltrating / Q000401:mortality / Q000601:surgery; D005260:Female; D006801:Humans; D008207:Lymphatic Metastasis; D008408:Mastectomy; D008875:Middle Aged; D009364:Neoplasm Recurrence, Local; D011379:Prognosis; D012189:Retrospective Studies