CEACAM5 and hyperinsulinemic hypoglycemia, familial, 4: The analysis was adjusted for multiple confounders, including age, sex, BMI, pathological T stage, pathological N stage, mismatch repair protein deficiency, adjuvant chemotherapy, first postoperative carcinoembryonic antigen (CEA) level, and American Society of Anesthesiologists Physical Status Classification System (ASA) score.