Trends in Colorectal Cancer Incidence Rates in the United States by Tumor Location and Stage, 1992–2008

Abstract
Background: Results from case–control studies outside the United States have been conflicted about the efficacy of colonoscopy for reducing cancer risk in the right colon. To contribute to this discourse from an alternative perspective, we analyzed high-quality surveillance data to report on recent trends in population-based colorectal cancer incidence rates by tumor location in the United States.

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