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Improved preoperative nomogram including 2 molecular biomarkers-interleukin-6 soluble receptor (IL-6sR) and transforming growth factor ß1 (TGF-ß1)-to a core group of clinical variables for predicting prostate-specific antigen (PSA) recurrence after radical prostatectomy based on 713 patients. Bx, biopsy; GG, Gleason grade. Adapted, with permission, from Kattan M et al. J Clin Oncol. 2003;21:3573–3579.22
