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Every dated change on the records linked to Lynch syndrome-associated colorectal cancer, newest first: approvals and regulatory steps on its medicines, trials that reported, guideline versions, milestones, and when this page itself was checked. Dates come from the records; none is inferred. Orientation, not medical advice.
Mismatch repair immunohistochemistry or microsatellite instability testing on every colorectal cancer; MLH1 promoter methylation testing where MLH1 is lost, because most of those cancers are sporadic; germline testing when methylation is absent, then cascade testing of relatives.
Consider daily aspirin for more than two years (NICE NG151 1.1.1, from CAPP2); colonoscopic surveillance at intervals set by gene and age; discussion of the extent of colectomy when a cancer is found; gynaecological risk-reducing surgery after childbearing for women.