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Questions and Answers: The BRCA1 Breast Cancer Susceptibility Gene (Part 2)

Published in Women's Health Weekly, January 25th, 1995

The following questions and answers were provided by the U.S. National Cancer Institute, National Institutes of Health Cancer Facts which were updated January 1, 1995. Part 1 appeared in the January 18, 1995, issue.

Will all women with a mutation in the BRCA1 gene get breast cancer'

Studies of families with inherited alterations in BRCA1 suggest that more than half the women who carry a cancer-associated mutation in the gene will be diagnosed with breast cancer by age 50, and more than 85 percent by age 70. While men in BRCA1 families may also carry the mutated gene it appears their risk of breast cancer is not significantly increased. Cancer risk may...

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Source: Women's Health Weekly (1995-01-25)

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