Fig. 3
From: Spectrum of thoracic systemic venous abnormalities using multidetector computed tomography
28-year-old male patient with chronic vena cava thrombosis. A, B Axial and coronal CT chest showing attenuated thrombosed SVC (yellow arrow), thrombosed right subclavian vein (blue arrow) and azygos arch (red arrow) with dilated azygos (green arrow) and hemiazygos veins (white arrow) and multiple collaterals (orange arrow). C, D 3D VR images showing stenosed suprahepatic portion of IVC (4Â mm) (orange arrow) with multiple intrahepatic venous collaterals (green arrow), and dilated hemiazygos and accessory hemiazygos vein (red arrow) draining into LBCV (yellow arrow)