Our results demonstrated that the expression of FERMT1 was positively connected with the infiltration level of Th2 cells, but negatively correlated with CD8+ T, NK cells, etc. High levels of CD4+/CD8+ T cells are significantly associated with favorable prognosis in PAAD patients, while Th2 cells are the opposite [52,53]. This evidence concerns the gene CD4 and pancreatic adenocarcinoma.