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Fig. 2A. —Percutaneous ethanol injection guided by CO₂-enhanced sonography in 64-year-old woman with Child's class C cirrhosis [9] and hepatocellular carcinoma with new lesion during follow-up period. Digital subtraction angiogram obtained via right hepatic artery shows tumor stain (arrowheads) in superior anterior segment. Stent of transjugular intrahepatic portosystemic shunt is also seen (arrow). Tumor was located anterior to stent of transjugular intrahepatic portosystemic shunt. Transcatheter arterial embolization is impossible because of difficulty in placing microcatheter into feeding artery and poor liver function resulting from advanced cirrhosis.