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Definite hepatocellular carcinoma (HCC) on contrast-enhanced ultrasound. A 3.5-cm liver nodule is detected in a patient with chronic hepatitis B. On contrast-enhanced ultrasound using blood-pool contrast agent, the nodule shows arterial phase hyperenhancement and mild washout on 3 minutes delayed image. Therefore, it can be noninvasively diagnosed as “definite” HCC.
