CEACAM5 and pancreatic intraductal papillary-mucinous neoplasm: Other predictors for malignancy in the BD-IPMN are jaundice, pancreatic head tumors, main pancreatic duct size > 5 mm, mural nodule size > 5 mm, CA19-9 level, positive cytology, and a CEA level > 30 ng/mL.