Endometrial cancer staging-Federation Internationale Gynecology and Obstetrics (FIGO)
Stage IA Tumor limited to the endometrium
Stage IB Invasion <50% of the myometrium
Stage IC Invasion ≥50% myometrium
Stage IIA Endocervical glandular involvement only
Stage IIB Cervical stromal invasion
Stage IIIA Tumor invading serosa of corpus uteri and/or adnexa and/ or positive cytology
Stage IIIB Vaginal metastases
Stage IIIC Metastases to pelvic and/or paraaortic lymph nodes
Stage IVA Tumor invasion of the bladder and/or bowel mucosa
Stage IVB Distant metastases, including intraabdominal metastases and or metastases to inguinal nodes