A commentary published with the studies, written by Pharoah and others, explored the possibilities of how this sort of genetic analysis could make prevention and treatment programs more complex.
"First, appropriate systems for inviting and recalling people for risk assessment and screening need to be in place," the authors wrote. "Second, there should be a standard protocol for taking consent, performing genetic sampling and using a standardized risk-assessment tool to integrate genetic data from an individual with environmental, lifestyle and hormonal data."
Ultimately, a person's level of risk of cancer will dictate what care and treatments will be offered, they concluded.
Learn more about cancer and genetics from the U.S. National Cancer Institute.
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