As for CEA, the median of CEA was 1.535 ng/mL (1.098-2.168) for normal controls, 1.705 ng/mL (1.230-2.508) for benign controls, 2.175 ng/mL (1.385-3.948) for tumor controls, and 3.205 ng/mL (1.558-7.150) for pancreatic cancer patients. This evidence concerns the gene CEACAM5 and pancreatic neoplasm.