Table 20-4. Staging of ureteral and renal pelvic carcinoma

Table 20-4. Staging of ureteral and renal pelvic carcinoma.
	System
	Batata^a	TNM^b
Confined to mucosa	O	Ta, Tis
Invasion of lamina propria	A	T1
Invasion of muscularis	B	T2
Extension through muscularis into fat or renal parenchyma	C	T3
Spread to adjacent organs	D	T4
Lymph node metastases	D	N+
Metastases	D	M+
^aDrawn from Batata et al, 1975.
^bDrawn from American Joint Committee on Cancer, 1997.