A total of 95 patients were selected for the evaluation of CD25 and of p-NFkB, consisting of 75 PTC, 2 follicular carcinoma (variant Hürthle), 1 poorly differentiated carcinoma (insular variant), 2 anaplastic thyroid cancers (Table 1), 10 cases of HT, 4 follicular adenomas and 1 case of trabecular adenoma. The gene discussed is IL2RA; the disease is hematocrit.