EPHA2 and pancreatic neoplasm: The mean values for the serum EphA2-NF level were 131.0 pg/mL for pancreatic cancer cases (n = 97), 68.2 pg/mL for IPMNs (n = 6), 65.5 pg/mL for PNETs (n = 66), and 36.0 pg/mL for HDs (n = 150).