Colorectal cancer (CRC) burden is not equal among populations in the United States.
African Americans have the highest CRC incidence and mortality of all US populations, and
rates are not decreasing to the levels of non-Hispanic Whites. 1 In addition to increased
cancer risk, adenoma risk is also higher in African Americans, and both adenomas and
cancers occur more frequently in the proximal colon and at younger ages in African
Americans. 2 Reasons for population differences are multifactorial and include differences in …