AHR and neoplasm: IPA supplementation decreased the infiltration of the primary tumor to surrounding tissues, the number of metastases, cellular movement, and diapedesis, while at the same time, it induced antitumor immune response, mesenchymal-to-epithelial transition, oxidative stress, and influenced metabolism through two IPA receptors, AHR and PXR (both are steroid and xenobiotic receptors [75,76,77]).