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Novel adenoma-immune phenotypes are associated with risk of metachronous polyps and colorectal cancer in a bowel screening cohort

2026-02-27 gastroenterology Title + abstract only
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BackgroundCurrent British Society of Gastroenterology (BSG) guidelines misclassify metachronous lesion risk after polypectomy in approximately 40% of patients. Building on evidence that immune exclusion drives progression of adenomas to colorectal cancer, this study examined immune profiles in screen-detected adenomas as a predictive biomarker for metachronous lesion risk. MethodsPatients undergoing polypectomy within the Scottish Bowel Screening Programme, with surveillance colonoscopy between...

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