Controversies in the Treatment of Early Stage Endometrial Carcinoma

Table 1

Comparison of 1988 and 2010 surgical staging system for endometrial cancer.

Extent of tumor involvement	1988 staging	2010 staging
Endometrium only	1A	IA
Myometrium < 1/2	IB	IA
Myometrium > 1/2	IC	IB
Cervix mucosa	IIA	—
Cervix stroma	IIB	II
Uterine serosa/adnexa	IIIA	IIIA
Vagina/parametrial	IIIB	IIIB
Positive lymph nodes pelvic	IIIC	IIIC1
Positive lymph nodes periaortic	IIIC	IIIC2
Bladder or bowel mucosa	IVA	IVA
Distant metastases	IVB	IVB