CEACAM5 and pancreatic mucinous cystadenoma: For cyst CEA level, 42.4% of patients with morphologic sonographic diagnosis of pancreatic mucinous cystic neoplasm (IPMN and MCN) had CEA level >192 ng/mL compared to 15.8% of patients who had another morphologic sonographic diagnosis, but with CEA >192 ng/mL (chi square = 0.03).