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Kaplan-Meier survival analysis for BCR-free survival according to the location of the PSM for each type of surgery. BCR, biochemical recurrence; PSM, positive surgical margin; (A) RP, radical prostatectomy; (B) RPP, radical perineal prostatectomy; (C) RRP, radical retroperitoneal prostatectomy; (D) LRP, laparoscopic radical prostatectomy; (E) RALRP, robot-assisted laparoscopic radical prostatectomy.
