TTR and HP bound to fucose have been already proposed as a biomarkers of PDA [30,31]; CDH5 in pancreatic neuroendocrine tumors developed in Von Hippel–Lindau disease patients [32] and FCGBP in mucinous cysts in the pancreas [33] and PDA [34]. Here, CDH5 is linked to pancreatic neuroendocrine tumor.