Patients (376/492) from the entire TCGA-THCA dataset with complete clinical information including BRAF V600E and RAS mutation status, TERT mutation status, TERT expression level, sex, age, histological type, TNM stage, residual tumor, extrathyroidal extension, tumor size, multifocality, and the anatomic site of tumors were included to identify prognostic factors (Table 3). The gene discussed is TERT; the disease is neoplasm.