Compared with the model control group, YPF decreased the expression of IL-4 and IL-10 in tumor tissues and adjacent tissues (p < 0.05 and p < 0.01) and IL-5 in adjacent tissues (p < 0.05 and p < 0.01) but had no effect on IL-13 (p > 0.05). This evidence concerns the gene IL13 and neoplasm.