From: Utility of serial urinary cytology in the initial evaluation of the patient with microscopic hematuria
Cystoscopy data
Biopsy results
Normal*
(N = 144)
Benign lesion (N = 5)
Tumors
(N = 38)
Positive for cancer
(N = 17)
0
17
Negative for cancer
(N = 70)
49
5
21