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a Coronal MIP MDCT image showing parallel elongated segments of CHA(white arrow) and CA (black arrow) with concurrent right (asterix) and left IVC (arrow head) in the infrarenal segment b Axial MIP MDCT image showing left IVC (arrow head) draining into the LRV (white arrow)and the right IVC (black arrow) into the RRV (black asterix) at the renal level c Coronal MIP MDCT image showing hemiazygos vein (white arrow) joining azygos (White asterix) at the level of T6 and its progress
