A systematic review and meta-analysis of prognostic impact of different Gleason patterns in ISUP grade group 4.

Introduction null This systematic review and meta-analysis was conducted to assess the prognostic differences between different Gleason patterns in patients with prostate cancer (PC) within Internal Society of Urological Pathology (ISUP) grade group 4 (GG 4). null Evidence acquisition null PUBMED and Scopus databases were searched for articles published prior to December 2019 according to the Preferred Reporting Items for Systematic Review and...