Surveillance at the Margins: Management of High-Volume Gleason 6, PSA > 10, or Gleason 3 + 4
Clinical stage PSA (ng/mL) Gleason score on biopsy PSA density Number of positive cores on biopsy University of Toronto, Canada [7] T1c/T2a ≤10–15 ≤3 + 4 (1.4% of cohort were 4 + 3)…