although all 88 patients had undergone either transurethral resection of the prostate or subcapsular prostatectomy and routine postoperative examinations revealed sufficient canal formation in the prostatic urethra , in 23 patients ( 26.1 % ) a significant amount of residual urine was still observed and/or maximum urinary flow rate was considerably low .
C0040771
transurethral resection of the prostate
C0458450
prostatic urethra