IL4I1 and thyroid gland carcinoma: From Fig. 2 and Table 1, we saw that higher expression of IL4I1 is related to higher malignancy grades (Fig. 2A and B, p < 0.01), TNM stage (Fig. 2D, E and F, p < 0.05), and pathologic stage (Fig. 2G, p < 0.01) in thyroid cancer.