X-raying the thoracic inlet.
D001466:Barium Sulfate / Q000008:administration & dosage; D006042:Goiter / Q000000981:diagnostic imaging; D006801:Humans; D013902:Radiography, Thoracic; D013959:Thyroid Diseases / Q000000981:diagnostic imaging; D013961:Thyroid Gland / Q000000981:diagnostic imaging*
D001466:Barium Sulfate