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Breast Cancer

Frequently Asked Questions

6. What is the most important risk factor for breast cancer? - cont'd

This chart shows what the approximate chances are of a woman getting invasive breast cancer in her lifetime.

Ages Chances
30 to 40...     |    Chances are 1 out of 257
40 to 50...     |    Chances are 1 out of 67
50 to 60...     |    Chances are 1 out of 36
60 to 70...     |    Chances are 1 out of 28
70 to 80...     |    Chances are 1 out of 24
 
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Last reviewed: 10 July 2008
First published: 23 October 2003

National Institute on Aging, U.S. National Library of Medicine
National Institutes of Health, U.S. Department of Health & Human Services
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