Table 1.

Histological types of thirty-four urothelial tumors of the urinary bladder in water buffaloes.

Microscopic patterns of tumors	Case no.
Papilloma	3
Papillary urothelial neoplasm of low malignant potential (PUNLMP)	3
Low-grade papillary urothelial carcinoma	17
High-grade papillary urothelial carcinoma	5
Low-grade invasive urothelial carcinoma	3
High-grade invasive urothelial carcinoma	2
De novo carcinoma in situ (CIS)	1