In addition, similar tendencies were observed for gender, CEA value, CA125 value, CA199 value, tumor size, number, tumor shape, retention cyst, peripancreatic fluid, peritumoral lymph nodes, enhancement pattern, enhancement degree, enhancement type, enhancement type1 between the two groups, respectively, in the three cohorts, although not always statistically significant in univariate analysis. Here, CEACAM5 is linked to neoplasm.