Fig. 4
From: Denonvilliers’ fascia acts as the fulcrum and hammock for continence after radical prostatectomy
Different grades of DFS in RP, stained by hematoxylin and eosin. a In Grade-1 DF sparing procedure, neither DF nor DR was cut with prostate. b In Grade-2 DFS procedure, DF was preserved while DR fragments removed with prostate. c, d In Grade-2 DFS procedure, DF spared successfully while DR was totally cut away. e–f Grade-3 DFS was defined as neither DF nor DR spared. Black arrow head: prostate capsule; Ca: prostate cancer; DR: dorsal raphe (show in blue dot line circle); P: prostate; U: urethra. Black arrow: DF; Black arrow head: PC