degenerated urothelial cellsatypical urothelial cellsreactive urothelial cellsurothelial cell cancerbenign urothelial cellsatypical urothelial cells in urinebenign urothelial cells in urineurothelial cells in urine cytologyrare atypical urothelial cellsurothelial kidney cancerurothelial cell carcinoma kidneymesothelioma cells