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Lynch syndrome
Lynch syndrome is an inherited condition that increases a person's risk for developing colorectal cancer and other cancers. Lynch syndrome is also called hereditary nonpolyposis colon cancer (HNPCC).
Lynch syndrome is caused by changes (mutations) in certain genes. A genetic test can tell if a person carries any of the known gene changes for Lynch syndrome.
Current as of: May 1, 2026
Author: WebMD Ignite Staff
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