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 * About the Calculator

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BREAST CANCER RISK ASSESSMENT TOOL: ONLINE CALCULATOR (THE GAIL MODEL)

The Breast Cancer Risk Assessment Tool (BCRAT), also known as The Gail Model,
allows health professionals to estimate a woman's risk of developing invasive
breast cancer over the next five years and up to age 90 (lifetime risk).

The tool uses a woman's personal medical and reproductive history and the
history of breast cancer among her first-degree relatives (mother, sisters,
daughters) to estimate absolute breast cancer risk-her chance or probability of
developing invasive breast cancer in a defined age interval.

This calculator takes about five minutes to complete.


ABOUT THE CALCULATOR

The tool has been validated for White women, Black/African American women,
Hispanic women, and for Asian and Pacific Islander women in the United States.

The tool may underestimate risk in Black women with previous biopsies and
Hispanic women born outside the United States. Because data on American
Indian/Alaska Native women are limited, their risk estimates are partly based on
data for White women and may be inaccurate. Further studies are needed to refine
and validate these models.


CALCULATOR LIMITATIONS

This tool cannot accurately estimate breast cancer risk for:

 * Women carrying a breast-cancer-producing mutation in BRCA1 or BRCA2
 * Women with a previous history of invasive or in situ breast cancer (lobular
   carcinoma in situ or ductal carcinoma in situ)
 * Women in certain other subgroups (see Other Risk Assessment Tools section)

Although a woman's risk may be accurately estimated, these predictions do not
allow one to say precisely which woman will develop breast cancer. In fact, some
women who do not develop breast cancer have higher risk estimates than some
women who do develop breast cancer.


TOOL LIMITATIONS

This tool cannot accurately estimate breast cancer risk for:

 * Women carrying a breast-cancer-producing mutation in BRCA1 or BRCA2
 * Women with a previous history of invasive or in situ breast cancer (lobular
   carcinoma in situ or ductal carcinoma in situ)
 * Women in certain other subgroups (See Other Risk Assessment Tools section.)


RESOURCES ON BREAST CANCER RISK

 * Breast Cancer-Health Professional Version
 * Breast Cancer Risk in American Women
 * Current Clinical Trials-Breast Cancer Prevention
 * Current Clinical Trials-Breast Cancer Screening
 * Current Clinical Trials-Breast Cancer Treatment

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 * U.S. Department of Health and Human Services
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 * National Cancer Institute
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 * USA.gov

 * NIH ... Turning Discovery Into Health®