No alterations in the genes APC, AXIN1, AXIN2, BRAF, NRAS, HRAS, KRAS, EIF1AX, PTEN, TERT, PI3KCA, KMT2C, KMT2D, CHEK2, ATM, and TP53 were detected in any of the samples from the main nodule, thyroid adenoma, or “normal” thyroid. The gene discussed is CHEK2; the disease is Thyroid adenoma.