FOXP3 and lung cancer: Among the FOX genes, FOXA2, FOXD3, FOXE1, FOXF1, FOXF2, FOXJ3, FOXK2, FOXL1, FOXM1, FOXN1, FOXN2, FOXN3, FOXO1, FOXO3, FOXO4, and FOXP3 were differentially expressed in at least three kinds of lung cancer (Figure 6A).