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Colonic adenoma surveillance — MCCQE Part 1 MCQ

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ModerateRectal BleedingColonic adenoma surveillanceMCCQE Part 1

A 45-year-old man with family history of colon cancer (father at 48) has a 2.5cm sessile sigmoid polyp removed. Histology: tubulovillous adenoma with HGD, margins clear. Most appropriate follow-up?

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Correct answer: A — Repeat colonoscopy in 3 years

High-risk adenoma (>=10mm, villous, HGD): surveillance colonoscopy in 3 years (CAG). One-year if concern about incomplete resection. Complete endoscopic removal with clear margins = no surgery needed.

Reference: CAG CRC Screening Guidelines