| Stage |
Anatomic Involvement |
| Stage I |
Tumor confined to the uterine corpus |
| IA |
No Myometrial Invasion |
| IB |
<50% Myometrial Invasion |
| IC |
≥50% Myometrial Invasion |
| Stage II |
Cervical Involvement |
| IIA |
Endocervical Glandular Involvement |
| IIB |
Cervical Stromal Invasion |
| Stage III |
|
| IIIA |
Positive peritoneal cytology, and/or Tumor invasion into uterine serosa, and/or Adnexal involvement |
| IIIB |
Vaginal Involvement |
| IIIC |
Metastases to pelvic and/or pelvic lymph nodes |
| Stage IV |
|
| IVA |
Bladder and/or Bowel Involvement |
| IVB |
Distant metastases, including abdominal disease, and/or Inguinal lymph node involvement |
