Table 1: Urothelial carcinoma and its variants.

Infiltrating urothelial carcinoma with squamous differentiation
Infiltrating urothelial carcinoma with glandular differentiation
Infiltrating urothelial carcinoma with trophoblastic differentiation
Nested variant
Microcystic variant
Micropapillary variant
Lymphoepithelioma-like variant
Lymphoma-like and plasmacytoid variants
Sarcomatoid variant
Giant cell variant
Undifferentiated