As such, the receipt of CRC-related care, which includes curative intent treatment for CRC (i.e. surgical resection, chemotherapy, and radiation) [3, 4] as well as tests for assessment and surveillance after the diagnosis of CRC (i.e. colonoscopy, physician visit, and carcinoembryonic antigen (CEA) test) [5], is of broad interest for both veteran and non-veteran populations [6–9]. Here, CEACAM5 is linked to colorectal carcinoma.