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What causes Lynch syndrome?

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Lynch syndrome comes from changes in genes that can be passed down in families. If one of your parents has it, you have a 50% chance of getting it too.

From: Lynch Syndrome: Get the Facts WebMD Medical Reference

SOURCES:

American Cancer Society: "Six Ways to Lower Your Risk for Colon Cancer."

Cleveland Clinic: "Hereditary Non-Polyposis Colorectal Cancer (HNPCC)."

Dana Farber Cancer Institute: "Cancer Genetics & Prevention: Lynch Syndrome."

Johns Hopkins Medicine: "HNPCC."

National Organization for Rare Diseases: "Lynch Syndrome."

Cancer.net: "Lynch Syndrome."

NIH/Genetic and Rare Diseases Information Center: "Turcot syndrome."

Reviewed by Nayana Ambardekar on December 14, 2017

SOURCES:

American Cancer Society: "Six Ways to Lower Your Risk for Colon Cancer."

Cleveland Clinic: "Hereditary Non-Polyposis Colorectal Cancer (HNPCC)."

Dana Farber Cancer Institute: "Cancer Genetics & Prevention: Lynch Syndrome."

Johns Hopkins Medicine: "HNPCC."

National Organization for Rare Diseases: "Lynch Syndrome."

Cancer.net: "Lynch Syndrome."

NIH/Genetic and Rare Diseases Information Center: "Turcot syndrome."

Reviewed by Nayana Ambardekar on December 14, 2017

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How is Lynch syndrome diagnosed?

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