Changes to This Summary (05/09/2013)
The PDQ cancer information summaries are reviewed regularly and updated as new information becomes available. This section describes the latest changes made to this summary as of the date above.
Added Estrogen-only use among women with a hysterectomy as a new subsection.
Added text about a randomized controlled trial of 1,006 healthy, recently postmenopausal women aged 45 to 58 years who were randomly assigned to receive either hormone therapy or no treatment; a significant reduction in the risk of death or breast cancer was observed (cited Schierbeck et al. as reference 40).
This summary is written and maintained by the PDQ Screening and Prevention Editorial Board, which is editorially independent of NCI. The summary reflects an independent review of the literature and does not represent a policy statement of NCI or NIH. More information about summary policies and the role of the PDQ Editorial Boards in maintaining the PDQ summaries can be found on the About This PDQ Summary and PDQ NCI's Comprehensive Cancer Database pages.