Papillary urothelial tumor formed of thin fibrovascular cores covered by multiple layers of malignant transitional epithelial cells of mild to moderate degree of anaplasia and mitosis. Tumor is seen infiltrating lamina propria, sparing muscularis propria.
Urinary bladder biopsy.
Soft tissue fragments collectively measured 4.3x3.8x0.8 cm.
Urinary bladder mass, TUR: