Table 1. FIGO Staging for Uterine Leiomyosarcoma.

Stage	Definition
I	Tumor limited to uterus
IA	< 5 cm in greatest dimension
IB	> 5 cm in greatest dimension
II	Tumor extends beyond the uterus, within the pelvis
IIA	Adnexal involvement
IIB	Involvement of other pelvic tissues
III	Tumor invades abdominal tissues
IIIA	1 site
IIIB	> 1 site
IIIC	Involves pelvic and/or para-aortic lymph nodes
IV	Tumor invades pelvic organs and/or distant metastasis
IVA	Invasion of bladder or rectum
IVB	Distant metastases

Note. Adapted with permission from Prat (2009).