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Chances of PSA remaining undetectable (Defined as PSA less than 0.2 ng/ml) after RP for clinically confined disease and no seminal vesical or lymph node involvement. No man received preoperative or postoperative radiation or hormonal therapy.

JI Epstein, AW Partin, J Sauvageot, and PC Walsh. Prediction of Progression Following Radical Prostatectomy- A Multivariate Analysis of 721 Men with Long-term Follow-up. AJSP 20:286-292,1996.