Genetic testing helps estimate your chance of developing cancer in your lifetime. It does this by searching for specific changes in your genes, chromosomes, or proteins. These changes are called mutations. 

Genetic testing may help:

  • Predict your risk of a particular disease

  • Find if you have genes that may pass increased cancer risk to your children

  • Provide information to guide your health care

No genetic test can say if you will develop cancer for sure. But it can tell you if you have a higher risk than most people.

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