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. 2019 Oct 22;79(10):1043–1060. doi: 10.1055/a-0882-4116

Table 6  FIGO and TNM stages for adenosarcomas* of the uterus.

FIGO/TNM stage Definition
*  Tumors simultaneously present in the corpus uteri and the ovary/pelvis accompanied by ovarian/pelvic endometriosis must be classified as independent primary tumors.
I/T1 Tumor limited to the uterus
IA/T1a Tumor limited to the endometrium/endocervix without myometrial infiltration
IB/T1b Tumor has infiltrated less than half of the myometrium
IC/T1c Tumor has infiltrated ≥ 50% of the myometrium
II/T2 Tumor has spread to the pelvis
IIA/T2a Involvement of the adnexa (unilateral or bilateral)
IIB/T2b Tumor has spread to extrauterine pelvic tissue excluding the adnexa
III/T3 Intraabdominal tumor spread
N1 IIIA/T3a One site
IIIB/T3b More than one site
IIIC Metastasis of pelvic and/or para-aortic lymph nodes
IV/T4 IVA/T4 Tumor has infiltrated bladder and/or rectal mucosa
IVB Distant metastasis