Table 3.

Staging of uterine sarcoma.

Stage	Description
	Leyomiosarcomas/ESS	Adenosarcoma
I	Limited to the uterus
IA	Tumor ⩽ 5 cm	Limited to the endometrium and/or endocervix
IB	Tumor >5 cm	Invading < 50% myometrium
IC	–	Invading > 50% myometrium
II	Extending beyond the uterus but within the pelvis
IIA	Involving adnexa
IIB	Involving other pelvic tissues
III	Infiltrating abdominal tissues
IIIA	1 site
IIIB	>1 site
IIIC	Regional lymph nodes metastases
IVA	Invading bladder or rectum
IVB	Distant metastases