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Change in incidence of colorectal carcinoma since 1999. Since 1999, there has been a steady decline in the incidence of colorectal carcinoma on a population basis (A). However, in patients younger than 49 years old, there has been a disproportionate increase in relative risk compared to the rest of the population (B). Data Source: https://www.cdc.gov/cancer/uscs/dataviz/download_data.htm (accessed on 6 December 2023) [10].
