Table 4. Five-year overall survival and relapse rates after surgery among patients treated in 2004.

P-stage	Patients	5-year overall survival rate (%)	Relapse rate (%)
IA	4,190	86.8	12.3
IB	2,494	73.9	27.3
IIA	924	61.6	40.9
IIB	795	49.8	50.4
IIIA	1,766	40.9	65.0
IIIB	93	27.8	83.9
IV	434	27.9	67.3
Total	11,663	69.6	19.8