What is the place of hormones in prophylaxis after mastectomy?
D001943:Breast Neoplasms / Q000517:prevention & control*; D002369:Castration; D003276:Contraceptives, Oral / Q000009:adverse effects; D004967:Estrogens / Q000009:adverse effects / Q000502:physiology*; D005260:Female; D006801:Humans; D008408:Mastectomy; D008593:Menopause; D009362:Neoplasm Metastasis; D009364:Neoplasm Recurrence, Local / Q000517:prevention & control*; D011182:Postoperative Care; D011247:Pregnancy
D003276:Contraceptives, Oral; D004967:Estrogens