Inhomogeneous steatosis hepatis at the typical location, above the portal veinThe portal vein is located posterior to the pancreas. It runs through the hepatoduodenal ligament to the porta hepatis, together with the hepatic artery proper and the common bile duct. From there, the portal vein enters the liver. It is formed by the conjunction of the superior mesenteric vein and the splenic vein (and receives influx from some other veins).Source: Ultraschall-Atlas