From: Cancer of the endometrium: current aspects of diagnostics and treatment
Stage | Stage – Clinical Staging | Stage – Surgical Staging | ||
---|---|---|---|---|
I | I | Carcinoma confined to corpus | Ia | Tumor limited to endometrium |
 | Ia | Length of uterine cavity ≤ 8 cm | Ib | Invasion ≤ 1/2 myometrium |
 | Ib | Length of uterine cavity > 8 cm | Ic | Invasion > 1/2 myometrium |
II | II | Carcinoma involves corpus and cervix | IIa | Endocervical glandular involvement only |
 |  |  | IIb | Cervical stromal invasion |
III | III | Carcinoma extends outside uterus but not outside the true pelvis | IIIa | Tumor invades serosa or adnexa or positive peritoneal cytology |
 |  |  | IIIb | Vaginal metastasis |
 |  |  | IIIc | Metastases to pelvic or para-aortic lymph nodes |
VI | IV | Carcinoma extents outside true pelvis or involves bladder or rectum | IVa | Tumor invades bladder, bowel mucosa, or both |
 |  |  | IVb | Distant metastases, including intra-abdominal and/or inguinal lymph nodes |