Atlas One · Host Biology · Scale 07 — System

Lynch Syndrome

Lynch syndrome is the most common inherited cancer predisposition syndrome; germline MMR gene mutations (MLH1, MSH2, MSH6, PMS2) → MSI-H tumors; CRC lifetime risk ~40-80%; pembrolizumab/dostarlimab FDA-approved for dMMR tumors; universal tumor MMR testing recommended.

Also known as: Lynch syndrome, HNPCC, hereditary nonpolyposis colorectal cancer, MMR Lynch, dMMR Lynch, MLH1 Lynch, MSH2 Lynch, MSI-H Lynch, Lynch colon cancer, Lynch endometrial

Scale 07 — SystemScale
draftStatus
2026-06-07Last Reviewed
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lynch-syndrome

Lynch Syndrome

Lynch syndrome is the most common inherited cancer predisposition syndrome; germline MMR gene mutations (MLH1, MSH2, MSH6, PMS2) → MSI-H tumors; CRC lifetime risk ~40-80%; pembrolizumab/dostarlimab FDA-approved for dMMR tumors; universal tumor MMR testing recommended.