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This is an Open Access article distributed under the terms of the
Creative Commons Attribution License, which permits unrestricted use,
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Distribution of PSAD by prostate cancer grade on post-MRI biopsy, where
low grade prostate cancer is defined as GS 3+3 (ISUP group 1) and
high-grade cancer is defined as GS ≥ 3+4 (ISUP groups 2-5).