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Table 1 Pre-operative blood test findings of the 64-year-old man with papillary thyroid microcarcinoma and lung metastases

From: Papillary thyroid microcarcinoma with lung metastases: a case report and review of the literature

Parameter Normal range Before surgery
Free T3 (pg/ml) 2.30–4.00 3.10
Free T4 (pg/ml) 0.9–1.7 1.36
TSH (μIU/ml) 0.50–5.00 2.27
Tg (ng/ml) ≤ 33.7 31.0
Tg Ab (IU/ml) ≤ 40.6 53.9
TPO Ab (IU/ml) ≤5.2 2.1
  1. TSH thyroid stimulating hormone, Tg Ab thyroglobulin antibody, TPO Ab thyroid peroxidase antibody, Tg thyroglobulin