CCL20 and neoplasm: The mRNA expression of CYP1A1 (p = 0.002), CCL20 (p = 0.047), p19 (p = 0.029), CCL19 (p = 0.013), IL-36γ (p = 0.0076), and IL-17 (p = 0.0035) was significantly decreased in tumor from AhR-(fl/fl) Krt5-(Cre) mice compared with wild type mice (Figure 3C).