Colorectal cancer (CRC) is a common and preventable malignancy, and routine CRC screening is recommended for average risk individuals between the ages of 50 and 75 years. Screening has been shown to decrease CRC incidence and mortality. Once patients are older than 75 years, the risk to benefit ratio of ongoing screening begins to shift. As comorbidities increase and life expectancy decreases, the future potential benefits of CRC prevention become less robust, and risk for screening-related complications grows. However, firm age cutoffs are not sufficient to guide these decisions, as there is substantial physiologic heterogeneity among individuals of the same age.
Keywords: Colon cancer; Colonoscopy; Colorectal cancer; Elderly; Screening; Shared decision-making.
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