Stage	Elements of stage	Prognosis
IA	T1, LN0-2	Low risk
	No adenopathy; no visceral involvement
IB	T2, LN0-2	Low risk
	No adenopathy; no visceral involvement
IIA	T1-2, LN0-2	Low risk
	Palpable lymph nodes; no visceral involvement
IIB	T3, LN0-2	Intermediate risk
	Absent or present palpable lymph nodes; no visceral involvement
III	T4, LN0-2	Intermediate risk
	Absent or present palpable lymph nodes; no visceral involvement
IVA	T1-4, LN3-4	High risk
	Absent or present palpable lymph nodes; no visceral involvement
IVB	T1-4, LN3-4	High risk
	Palpable lymph nodes; visceral involvement