CEACAM5 and pancreatic intraductal papillary-mucinous neoplasm: The diagnostic performance estimated by the ROC curve analysis favorable AUC and accuracy as compared to CEA and CA19–9 in IPMN and early stage of PC, suggesting the levels of ExmiR-191, ExmiR-21, and ExmiR-451a can thus serve as early diagnostic markers of pancreatic neoplasms.