Thyroid nodules.
D000818:Animals; D002417:Cattle; D002648:Child; D006044:Goiter, Nodular / Q000175:diagnosis* / Q000000981:diagnostic imaging / Q000628:therapy; D006801:Humans; D011877:Radionuclide Imaging; D013960:Thyroid Function Tests; D013964:Thyroid Neoplasms / Q000175:diagnosis* / Q000000981:diagnostic imaging / Q000473:pathology; D014463:Ultrasonography