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BRCA2 get breast cancer  

Does every woman with a BRCA1 or BRCA2 get breast cancer?

NO. While a woman with a BRCA1 or BRCA2 is statistically more likely to develop breast cancer than a woman without this genetic alteration, not every woman with an altered BRCA1 or BRCA2 will get breast cancer. Remember, genetics is just one of a myriad of risks. An altered gene in itself is not capable of causing cancer. In fact, most cases of breast cancer do not involve an altered BRCA1 or BRCA2 gene. Statistics show that at most, 1 in 10 breast cancers cases involve an inherited altered gene. Furthermore, not all inherited breast cancer involves BRCA1 or BRCA2.


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