Metachronous Advanced Neoplasia on Surveillance Colonoscopy in Patients With Young- vs Older-onset of Colorectal Cancer

The incidence of colorectal cancer (CRC) and cancer-related mortality has increased in patients <55 years old.1 Consensus on optimal intervals for post-CRC surveillance colonoscopy in young patients is lacking. The primary endpoint of this study was comparison of rates of metachronous advanced neoplasia (AN) in patients diagnosed with CRC at <50 and 50–75 years. The secondary aim was to evaluate risk factors of metachronous...