Pancreatic ductal adenocarcinoma (PDAC) accounts for most human PC cases (more than 95%) [32], we found that the expression of LAMC2 is mainly up-regulated in PDAC, which indicates that it is not only suitable for most PC patients, but may also help to identify the subtypes of PC. This evidence concerns the gene LAMC2 and pancreatic ductal adenocarcinoma.