To the Editor We read with interest the retrospective cohort study by Tran et al1 that describes the diagnostic yield of colonoscopy as a surveillance tool in elderly patients with a personal history of colorectal cancer (CRC) or precancerous polyps. The study reported a low incidence of CRC and higher complication rate in the elderly population compared with the reference group.
Singhal S, Changela K. Selection of Elderly Patients for Colorectal Cancer Screening. JAMA Intern Med. 2015;175(5):860. doi:10.1001/jamainternmed.2015.0341
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