CEACAM5 and pancreatic intraductal papillary-mucinous neoplasm: According to the findings of our study, in 80.8% of individuals diagnosed as having IPMN in EUS, cyst fluid amylase level was > 250 IU/L, and if CEA > 192 ng/mL and amylase > 250 IU/L were considered at the same time, this amount was reduced to 65%.