Exploration of the correlation between the 15 DE-FOXs and immune cell infiltration using the TIMER database showed that a positive correlation between FOXF1 expression and the infiltration of B cells, CD8+ T cells, CD4+ T cells, macrophages, neutrophils, and dendritic cells in PAAD (Figure 5A). This evidence concerns the gene FOXF1 and pancreatic adenocarcinoma.