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Background
We hypothesized that Gleason Grade Group (GGG) IV patients treated with radical prostatectomy (RP) or external beam radiotherapy (EBRT) exhibit different cancer‐specific mortality (CSM) rates according to underlying Gleason patterns (GP): 4 + 4 versus 3 + 5 versus 5 + 3.
Materials and Methods
We identified all GGG IV patients treated with either RP or EBRT within the Surveillance, Epidemiology,...