LIVER, DRAWING. Hepatic hilum. Representation of the liver in purple and the gall bladder in green with highlight of the hepatic hilum and its content hepatic hilum in green, the hepatic veins issue from the portal vein in blue and the hepatic artery issue from the coeliac trunk. In background, beneath the liver, on the left we find the vena cava inferior and the abdominal aorta. In background, above the liver, on the left we find the vena cava superior and the thoracic aorta.