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Fig. 3A —Definite prostate cancer seen on apparent diffusion coefficient
(ADC) map but poorly seen on T2 images in 66-year-old man. Prostate-specific
antigen was 3.2 ng/mL and Gleason score was 7 (3 + 4). T2-weighted image shows
mild loss of signal at left and right posterolateral aspects of peripheral
zone (arrows). These regions were scored as 2, possible cancer.