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Fig. 7A. 57-year-old man with poorly differentiated 5.8-cm
hepatocellular carcinoma (HCC) showing strong vascular endothelial growth
factor (VEGF) expression, dominantly in anteroinferior segment of liver with
chronic type C viral hepatitis. Child-Pugh grade was A. CT hepatic arteriogram
shows mild hepatic artery enhancement with moderate heterogeneity in HCC
(arrow). Note that central area of HCC exhibits water density with no
enhancement, presumably due to tumor necrosis.