thrombus is either at the entry of the renal vein or within the inferior vena cava (IVC) < 2 cm from the confluence of the renal vein and the IVC. Level II: Thrombus extends within the IVC > 2 cm above the confluence of the renal vein and IVC but still remains below the hepatic veins. Level III: Thrombus involves the intrahepatic IVC. The size of the thrombus ranges from a narrow tail that extends into the IVC to one that fills the lumen and enlarges the IVC.
What are three main types of rockets that power modern spacecrafts? The three kinds of rockets are solid fuel rockets, liquid fuel rockets, and ion powered rockets. Edit
Confidence votes 22. The three-stage Saturn V rocket was used in the Apollo launches of the 1960s and 1970s. It stood 111 m/365 ft high, as tall as a 30-story skyscraper, weighed 2,700 tons when loaded with fuel, and developed a power equivalent to 50 Boeing 747 jumbo jets. 13 people found this useful.