Risk Assessment, Genetic Testing, and Management of Lynch Syndrome

Abstract excerpt

Of the estimated 150,000 colorectal cancer (CRC) cases diagnosed annually, approximately 30% have a familial basis and 3% to 5% are from high-penetrance inherited cancer syndromes. Lynch syndrome, or hereditary nonpolyposis colorectal cancer, caused by inherited germline mutations in mismatch repair (MMR) genes, is the most commonly inherited CRC syndrome. It is characterized by young-onset CRC and an increased...

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