Invasive urothelial tumor formed dominantly of sheets and irregular groups of malignant transitional epithelial cells of moderate degree of anaplasia and mitosis. These tumor groups are seen invading the underlying lamina propria as well as the muscularis propria. Area of lymphovascular invasion is seen. o evidence of perineural invasion.
Bladder mass and hematuria.
Fragments of collective size 4.5x4 cm.