AhR expression levels in BRAF WT PTC samples were higher than in MTC and ATC (BRAF WT: median: 16.91, min: 4.03, max: 41.38; MTC: median: 8.55 min: 3.29, max: 18.97; ATC: median: 9.02, min: 2.89, max: 12.20). This evidence concerns the gene BRAF and medullary thyroid gland carcinoma.