No significant differences were observed between the groups in terms of surgery type, use of laparoscopy, gender, tumor size, total number of LNs, CEA levels, CA19-9 levels, and TNM stages (p=0.782, p=0.253, p=0.571, p=0.961, p=0.246, p=0.260, p=0.512, and p=0.088, respectively) (Table 1). The gene discussed is CEACAM5; the disease is neoplasm.