Endometrial cancer and hormone-replacement therapy in the Million Women Study.
Beral Valerie, Bull Diana, Reeves Gillian, +1 more·Lancet (London, England)
BACKGROUND: Postmenopausal women who use hormone-replacement therapy (HRT) containing oestrogen alone are at increased risk of endometrial cancer. To minimise this risk, many HRT users who have not had a hysterectomy use combined oestrogen-progestagen preparations or tibolone. Limited information is available on the in…