the FIGO staging system
Stage IA - microscopic cancer confined to the uterus
Stage IB - cancer visible by the naked eye confined to the uterus
Stage II - cervical cancer invading beyond the uterus but not to the pelvic wall or lower 1/3 of the vagina
Stage III - cervical cancer invading to the pelvic wall and/or lower 1/3 of the vagina and/or causing a non-functioning kidney
Stage IVA - cervical cancer that invades the bladder or rectum, or extends beyond the pelvis
Stage IVB - distant metastases
