| Stage |
Extent of disease |
| I |
|
Tumour limited to uterine body |
| |
IA |
Limited to endometrium |
| |
IB |
< 1/2 myometrial depth invaded |
| |
IC |
> 1/2 myometrial depth invaded |
| II |
|
Tumour limited to uterine body and cervix |
| |
IIA |
Endocervical invasion only |
| |
IIB |
Invasion into cervical stroma |
| III |
|
Extension to uterine serosa, peritoneal cavity and/or lymph nodes |
| |
IIIA |
Extension to uterine serosa, adnexae or positive peritoneal fluid (ascites or washings) |
| |
IIIB |
Extension to vagina |
| |
IIIC |
Pelvic or para‐aortic lymph nodes involved |
| IV |
|
Extension beyond true pelvis and/or involvement of bladder/bowel mucosa |
| |
IVA |
Extension to adjacent organs |
| |
IVB |
Distant metastases or positive inguinal lymph nodes |
