“…35 In Serbia, the incidence rate is somewhat lower and amounts to 6.6 cases per 100,000 men and women per year, which means that 480 new cases are diagnosed every year. 36 The majority of cases (over 80%) are histological types of DTC or follicular cell-derived thyroid carcinoma, which include the following histological types: papillary, follicular, and Hurtle cell carcinoma. All of these tumors share an important characteristic-a preserver NaI symporter in their cells, which is a prerequisite for them to be treated with high doses of radioiodine 131 I.…”