Colorectal Cancer Risk Assessment Tool

Last modified date: 11/12/2014


Update November 2014: NCI corrected risk estimates for men corresponding to answers "polyps unknown" (page 3 of 7) and for men and women corresponding to answers “medications that do not contain aspirin unknown" (page 4 of 7).

Things to know before using this tool:

  • The Colorectal Cancer Risk Assessment Tool was designed for use by doctors and other health providers with their patients. If you are not a health provider, take these results to your doctor or other health provider to discuss your personal risk of colorectal cancer. (Colorectal cancer is another way to say colon and rectal cancer).
  • This tool can estimate the risk of colorectal cancer for men and women who are:

    This tool does not yet apply to American Indians and Alaska Natives, but we are working to improve the tool for use by these groups of people.

    If you are African American, Asian American/Pacific Islander, or Hispanic/Latino, please click here for more information about race, ethnicity, and how we developed this tool.

  • This tool cannot accurately estimate risk of colorectal cancer for people who have the following problems:
    • Ulcerative colitis
    • Crohn disease
    • Familial adenomatous polyposis (FAP)
    • Hereditary Nonpolyposis Colorectal Cancer (HNPCC), also known as Lynch Syndrome
    • Personal history of colorectal cancer
  • It will take about 5 to 8 minutes to answer all the questions and obtain your risk estimate.