The most common c.‐124C > T TERT mutation was found in 10 (5%) PTC, 6 (17.6%) FTC, 10 (25%) HCC and 8 (57.1%) PDTC/ATC, but not in any MTC analyzed (Table 1; Figure S1A). The gene discussed is TERT; the disease is medullary thyroid gland carcinoma.