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Flowchart for diagnosis and treatment of senile overt hyperthyroidism and subclinical hyperthyroidism. ATD, antithyroid drug; CGA, comprehensive geriatric assessment; CT, computed tomography; ECG, electrocardiogram; GD, Graves' disease; MRI, magnetic resonance imaging; RAI, radioactive iodine; TA, toxic adenomas; TMNG, toxic multinodular goiter
