編號	器官	診斷
2171	Ureter	Transitional cell carcinoma

	(Figure 1) Transitional cell carcinoma of ureter with papillary tumor in the mucosa of the ureter (arrow). The carcinoma dose not invade the underlying stroma.
	(Figure 2) Papillary transitional cell carcinoma with fibrovascular cores (arrow) lined by carcinoma cells.
	(Figure 3) Transitional cell carcinoma with tumor cells with mild to moderate nuclear pleomorphism.
	(Figure 4) Focal squamous differentiation in the transitional cell carcinoma.