MediumGastroenterologyPost-colon cancer surveillanceau-racpau-amc
A 72-year-old man has a colonoscopy that reveals a 3 cm adenocarcinoma of the sigmoid colon with clear margins after segmental resection and no lymph node involvement (Stage I). According to Australian preventive and cancer follow-up guidance, what is the MOST appropriate post-operative colonoscopic surveillance interval?