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Fig. 3D. Correlation between contrast-enahancement index of
hepatocellular carcinoma (HCC) and vascular endothelial growth factor (VEGF)
expression index of HCC. Straight line and two curves in graph indicate
regression line and 95% confidence interval, respectively. Scattergram shows
high inverse correlation (r = 0.71, p = 0.0013)
between contrast enhancement index of surrounding liver on CT hepatic
arteriography and difference in VEGF expression index.