between march , 1976 , and december , 1982 , 70 of 157 patients ( 45 % ) undergoing single-stage radical cystectomy with pelvic lymphadenectomy and urinary diversion with the intent to cure invasive bladder cancer were found to have pathologic stage p3b , p4 and/or n + disease .
C0194401
radical cystectomy
C0005682
bladder