| Stage |
Anatomic Involvement |
| Stage I |
Tumor confined to the Uterine Corpus |
| IA |
No or < 50% Myometrial Invasion |
| IB |
≥ 50% Myometrial Invasion |
| Stage II |
Cervical Stromal Involvement |
| Stage III |
Local and/or Regional Tumor Spread |
| IIIA |
Tumor invasion into uterine serosa, and/or Adnexal involvement |
| IIIB |
Vaginal and/or Parametrial Involvement |
| IIIC |
Metastases to Lymph Nodes |
| IIIC1 |
Positive Pelvic Lymph Nodes |
| IIIC2 |
Positive Para-Aortic Lymph Nodes |
| Stage IV |
|
| IVA |
Bladder and/or Bowel Involvement |
| IVB |
Distant metastases, including abdominal disease, and/or Inguinal lymph node involvement |
