Fig. 2
From: Spectrum of thoracic systemic venous abnormalities using multidetector computed tomography
One-year-old male patient with dual superior vena cava (DSVC) with PLSVC draining into the RSVC through azygos system. A Axial CT showing dual SVC (yellow arrows) with dilated accessory hemiazygos vein (red arrow). B Axial CT MIP and C, D 3D VR images showing PLSVC (yellow arrow), which continues as accessory hemiazygos (red arrow) connected through midline anastomotic collaterals (green arrows) to the azygos veins (white arrows) which drained into RSVC