Table 1.

The urothelial biopsies are stratified by diagnosis and show increasing p53 and CK20 expression with malignancy

Diagnosis	P53 (2,3+)	%	CK20 (2,3+)	%
Benign or reactive	12/23	52	6/23	26
Dysplasia	2/6	33	2/6	33
CIS or carcinoma	19/26	73	19/26	73