IL4 and pancreatic neoplasm: It has been shown that various kinds of cytokines are secreted in the formation of NETs which maybe induce the invasive and migratory abilities of pancreatic cancer cells, such as IL‐6, IL‐1β, IL‐1A, IL‐7A, IL‐17A, IL‐4, IL‐11, IL‐33, IL‐17F, IL‐37, TGF‐α TNF, IL‐23, IL‐10, IL‐36, IL‐29 and IL‐14.16, 36, 37, 38, 39, 40