“…Sextant biopsies can also give abundant information for prognostic staging before radical prostatectomy: The Gleason score and number of positive biopsies, length and percentage of tumor in positive biopsies, presence of capsular effraction or perinervous involvement, and positive seminal vesicle biopsies are used to predict the pathological stage of prostate cancer before radical prostatectomy [4, 5, 6, 7, 8, 9, 10, 11]. …”