Surgery All are true about Familial adenomatous polyposis except A More than 100 colorectal adenomas B Multiple extraintestinal manifestations C Lifetime risk of colorectal cancer is 70-80% D Mutations in the adenomatous polyposis coli (APC) gene 💡 Explanation All are true about Familial adenomatous polyposis except ✓ Correct Answer: C. Lifetime risk of colorectal cancer is 70-80%