The percentage of high‐grade prostatic adenocarcinoma in prostate biopsies significantly improves on Grade Groups in the prediction of prostate cancer death. - Berney, Daniel M; Beltran, Luis; Sandu, Holly; Soosay, Geraldine; Møller, Henrik; Scardino, Peter; Murphy, Jacqueline; Ahmad, Amar; Cuzick, Jack (Histopathology, 2019)