TG and thyroiditis: Her FT4 level was 30.7pmol/L (normal range: 8.7 to 13.6pmol/L), FT3 9.0pmol/L (normal range: 3.8 to 6.0pmol/L), TSH 1.56mIU/L (normal range: 0.60 to 3.70mIU/L), thyroid antibodies (anti-thyroglobulin and antimicrosomal antibodies) 1IU/mL (normal range: 0 to 50IU/mL) and thyroglobulin 13μg/L (normal range: 3 to 30μg/L).