Prevention & Early Detection

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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. See About the Tool for more information.

(Click a question number for a brief explanation, or read all explanations.)


1. Does the woman have a medical history of any breast cancer or of ductal carcinoma in situ (DCIS) or lobular carcinoma in situ (LCIS)?
 
2. What is the woman's age?
This tool only calculates risk for women 35 years of age or older.
 
3. What was the woman's age at the time of her first menstrual period?  
4. What was the woman's age at the time of her first live birth of a child?  
5. How many of the woman's first-degree relatives - mother, sisters, daughters - have had breast cancer?  
6. Has the woman ever had a breast biopsy?  
  6a. How many breast biopsies (positive or negative) has the woman had?  
  6b. Has the woman had at least one breast biopsy with atypical hyperplasia?  
7. What is the woman's race/ethnicity?  



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