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Fig. 2B. —Representative scans of dynamic single-section CT series in a 50-year-old man with cirrhosis after transjugular intrahepatic portosystemic shunt (TIPS) placement. On portal venous phase scan, because of respiration, inferior end of TIPS stent (open arrow) is depicted in imaging plane but does not interfere with either exact density measurement of parenchyma or portal vein. Portal vein (short arrow) and splenic vein (open arrowhead) are enhanced during portal venous phase.