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Trends in unadjusted rates of post-colonoscopy colorectal cancer within three years of investigation (PCCRC-3yr) for each year of colonoscopy. Top panel: all colonoscopies, “non-surveillance,” and UK bowel cancer screening programme (BCSP). Bottom panel: colonoscopies in people with an admission code for inflammatory bowel disease. “Non-surveillance” colonoscopies are those in people not diagnosed as having inflammatory bowel disease and those not performed within the BCSP
