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ROC curve showing results from three readers’ subjective visual semi-quantitative assessment of pattern of enhancement. Readers used a 5-point scale: 1-homogenous, 2-moderately homogeneous, 3-intermediate, 4-moderately heterogeneous, 5-heterogenous. Area under the curve (Az) ranged from 0.69 to 0.86, with an average of 0.79.
