Intensely enhancing area within segment IV which represents the "Hot spot sign". Note a dilated paraumblical vein anterior to the liver.
Superior vena cava obstruction (along its lower portion), with markedly attenuation of its upper segment. Dilated azygous and hemiazygous veins (collateral pathway).
Multiple subcutaneous venous collaterals are seen at the chest wall and anterior abdominal wall.
The lung fields are unremarkable.