title: Letter: Thyroid nodules and ultrasound.
mesh_terms: D003560:Cysts / Q000175:diagnosis; D003937:Diagnosis, Differential; D006042:Goiter / Q000175:diagnosis*; D006801:Humans; D013959:Thyroid Diseases / Q000175:diagnosis; D013964:Thyroid Neoplasms / Q000175:diagnosis*; D013965:Thyroidectomy; D014463:Ultrasonography