What is cascade testing/screening for pancreatic cancer?

Cascade testing, cascade genetic testing, or cascade screening refers to the process of expanding genetic testing to those who are at risk of inheriting a pathogenic variation found in a biological relative. As new pathogenic variant carriers are identified within the family, the process is repeated. If a patient is confirmed to have an inherited genetic mutation or if their results are uncertain, family members can be offered genetic testing through cascade testing. This allows family members to recognise their risk and, if necessary, be monitored for the disease. (Sources: cancer.gov )

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