No statistically significant differences were reported between groups for the presence of thyroid cancer family history, TSH level at SPTC diagnosis, thyroid function status, type of thyroid surgery, presence of cervical lymphadenectomy, SPTC staging, SPTC histological subtype, presence of major ETE invasion, lymphocytic thyroiditis, and BRAF mutation status (Table 1). This evidence concerns the gene BRAF and Hashimoto thyroiditis.