Fig. 3

Micropapillary variant of urothelial cancer (a 40×) showing multiple epithelial nests within a single lacuna (b 100×) and epithelial ring formation (c 400×). Plasmacytoid variant of urothelial cancer (d 400×)
Micropapillary variant of urothelial cancer (a 40×) showing multiple epithelial nests within a single lacuna (b 100×) and epithelial ring formation (c 400×). Plasmacytoid variant of urothelial cancer (d 400×)