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Colon cancer surveillance — USMLE Step 3 MCQ

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HardSurgery (post-operative, follow-up)Colon cancer surveillanceUSMLE Step 3

A 59-year-old underwent curative resection of stage II colon cancer. A complete perioperative colonoscopy was normal, and the one-year surveillance colonoscopy is also normal. When should the next surveillance colonoscopy be scheduled?

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Correct answer: ASchedule surveillance colonoscopy three years after the normal one-year examination

After a normal one-year surveillance colonoscopy following curative colorectal-cancer resection, the next colonoscopy is recommended three years later. Stool testing and symptom-triggered review do not replace endoscopic surveillance.

Reference: ACG: Colonoscopy Surveillance After Colorectal Cancer Resection: https://gi.org/journals-publications/acg-blog/new-joint-guidelines-urge-colonoscopy-after-crc-resection/