Table 4. Comparison of prognosis between the favorable-risk group and high-risk group of early-stage USC patients.

Group	No.	DFS		OS
		5-years DFS rate (%)	p	5-years OS rate (%)	p
Favorable-risk group*	38	88.8	<0.001	93.6	<0.001
High-risk group†	29	50.6		62.6

DFS, disease-free survival; OS, overall survival; USC, uterine serous carcinoma.

^*Negative pelvic cytology and absence of cervical stromal invasion; ^†Positive pelvic cytology and/or presence of cervical stromal invasion.