Fig. 2From: Diagnostic accuracy of ultrasound and alpha-fetoprotein measurement for hepatocellular carcinoma surveillance: a retrospective comparative studyA 56-year-old man with hepatitis B viral cirrhosis. A Surveillance US shows a 2.5 cm hypoechoic nodule in the right liver lobe. On axial contrast enhanced CT images, the nodule (white arrow) shows arterial phase hyper enchantment (B), and washout on the portal venous phase image (C)Back to article page