Fig. 5. Showing a communicating vein (CV) present between azygos vein (AV) and intermediate root of azygos vein (IRA). (A) Cadaveric image. (B) Schematic representation. LRA, lateral root of azygos vein; RSV, right subcostal vein; RALV, right ascending lumbar vein; IVC, inferior vena cava.
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