Plasma levels of FN1 were significantly higher in PDAC patients (572.85 μg/mL): a 23-fold increase when compared to controls (25.03 μg/mL) (Figure 5A) and about 4-fold to 10-fold higher than compared to pancreatitis patients (59.2 μg/mL) and IPMN patients (135.94 μg/mL), respectively. The gene discussed is FN1; the disease is pancreatic intraductal papillary-mucinous neoplasm.