IL2 and pancreatic adenocarcinoma: Some of enrichment pathways were immune-related, including “Inflammatory Response”, “IL6-JAK-STAT Signaling”, “Interferon-Gamma-Response” and “IL2-STAT5 Signaling” (Figure 4C), which suggested that the effect of different DDRs on the prognosis of PAAD may be related to the activation of the immune pathway.