Taking these findings into account, there is a decreasing linear relationship of the efficacy of polypectomy by follow-up years for large adenomatous polyps but an increasing trend with nonlinear relation for diminutive or small adenomatous polyps ( Figure 3A ).
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A case-cohort study for the disease natural history of adenoma-carcinoma and de novo carcinoma and surveillance of colon and rectum after polypectomy: implication for efficacy of colonoscopy.
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