thirty-three cases of primary renal pelvic and/or ureteral tumors , i.e. , 14 renal pelvic tumors , 14 ureteral tumors and 5 renal pelvic and ureteral tumors , treated at our hospital between november , 1976 and august , 1987 are reviewed retrospectively .
C0346260
renal pelvic tumors
C0227666
renal pelvic