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Figure b. (a) Graph of proportion of cases in which a lesion was analyzed plotted against the number of months the radiologist had worked for the study. Graph shows that the number of lesions diminished steadily with the amount of time the radiologist participated in the study. This may be due to the radiologists having concerns that enhancing highlights in premenopausal women may be clinically important lesions. With more experience, they were confident to regard these bright lesions as physiologic hormonal contrast enhancement and therefore normal (19). (b) Graph of number of recordings of ROIs in cases in which a lesion was analyzed, plotted against the number of months the radiologist has worked for the study. Graph shows that with more time participating in the study, radiologists became more confident to analyze one ROI than they were initially.
