Task: Answer Verification
Input (English): Question: Do gleason 6 prostate tumors diagnosed in the PSA era demonstrate the capacity for metastatic spread at the time of radical prostatectomy?
Answer: In our large cohort of men with pathological Gleason 6 disease undergoing open RP, sBCR were attributable exclusively to local disease recurrences. Our findings support the conclusion that Gleason 6 disease exhibits a very low capacity for metastatic spread.
Output (English): no