Accessible version of the Breast Cancer Risk Assessment Tool
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Breast Cancer Risk Assessment Tool

The Breast Cancer Risk Assessment Tool is an interactive tool designed by scientists at the National Cancer Institute (NCI) and the National Surgical Adjuvant Breast and Bowel Project (NSABP) to estimate a woman's risk of developing invasive breast cancer. The tool has been updated for African American women based on the Contraceptive and Reproductive Experiences (CARE) Study.

Download Source Code

Download Source Code for the Breast Cancer Risk
Calculation Engine

The BCRA risk calculator may be updated periodically as new data or research becomes available.

What You’ll Download
A ZIP file (46 KB) containing the source code and documentation for the breast cancer risk calculation engine. The code is available as a C# class library.

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National Cancer Institute U.S. National Institutes of Health www.cancer.gov U.S. Department of Health & Human Services National Institutes of Health USA.gov