The thoracic aorta.
Raymond
H W
HW
D000784:Aortic Dissection / Q000175:diagnosis; D001013:Aorta, Thoracic / Q000293:injuries / Q000473:pathology*; D017545:Aortic Aneurysm, Thoracic / Q000175:diagnosis; D001019:Aortic Rupture / Q000175:diagnosis; D002648:Child; D003952:Diagnostic Imaging; D006801:Humans; D015642:Radiology, Interventional