ELF3 and pancreatic intraductal papillary-mucinous neoplasm: We further analyzed two Gene Expression Omnibus (GEO) datasets (GSE16515 and GSE16950)31, 32 and found significantly higher ESE1 expression in PDAC or precancerous lesions including IPMA, IPMC, and IPMN than in matching normal tissues (Figure 1A).