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Figure 8


Fig. 3A —70-year-old woman with macroregenerative nodule (arrow) in cirrhotic liver. Quantitative analysis of sonography videotape intensity in selected frames grabbed from digital cine clips recorded during arterial phase, 30 sec after microbubble contrast agent injection. Regions of interests (ROIs) are positioned in liver tumor, Corresponding histograms (insets) reveal distribution of sonography videotape intensity in gray-scale levels (0-255) in each ROI.