The largest was 3.5 cm and I had others 2-3 cm. They were scattered throughout the colon with the largest one in the ascending colon. They were mostly sessile serrated adenomas - precancerous and some were hyperplastic. Mayo has doctors trained in EMR and ESD and endoscopic removal of large flat polyps is achievable with the right doctor. I found there are not many who have the advanced training necessary for these complex removals. Hope this helps!

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