Questions About Cancer? 1-800-4-CANCER

Colorectal Cancer Prevention (PDQ®)

Health Professional Version

Changes to This Summary (11/07/2014)

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.

Who Is at Risk?

Added text to state that a personal history of colorectal cancer, high risk adenomas, or ovarian cancer also increases the risk (cited Imperiale et al. as reference 1).


Added Fedirko et al. as reference 4.

Added Liang et al. as reference 6.

Added Ma et al. as reference 10.

Description of the Evidence

Added text to state that incidence and mortality rates are higher in African Americans compared with other races (cited Laiyemo et al. as reference 3).

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.

  • Updated: November 7, 2014