Thyroid nodules.
D002277:Carcinoma / Q000175:diagnosis; D003937:Diagnosis, Differential; D006044:Goiter, Nodular / Q000175:diagnosis; D006111:Graves Disease / Q000175:diagnosis; D006801:Humans; D006980:Hyperthyroidism / Q000175:diagnosis; D011877:Radionuclide Imaging; D013959:Thyroid Diseases / Q000175:diagnosis*; D013960:Thyroid Function Tests; D013964:Thyroid Neoplasms / Q000175:diagnosis; D013966:Thyroiditis / Q000175:diagnosis