Utilization of aortic knob calcification for radiographic localization.
D001011:Aorta / Q000473:pathology*; D001161:Arteriosclerosis / Q000473:pathology*; D006801:Humans; D013909:Thorax / Q000502:physiology*; D014652:Vascular Diseases
AORTA/pathology; ARTERIOSCLEROSIS/pathology; THORAX/physiology