Fig. 1From: Oesophagectomy in a patient with azygos vein continuation of the inferior vena cava: report of a caseThe enlarged azygos vein continuation of the inferior vena cava. a The azygos vein continuation of the IVC. b The CT scan revealed an enlarged arch of the azygos vein across the aortic arch. c Macroscopically, the diameter of the azygos vein was approximately 2.5 cmBack to article page