Table 1.

Cervical cancer staging.

FIGO staging	Tumor area
I	Stage I tumors are limited to the uterus
I A	Invasive cervical cancer diagnosed under microscope
II	The tumor exceeds the cervix and does not reach the pelvic wall
II A	Tumor does not invade parauterine tissues
III	The tumor reaches the pelvic wall or 1/3 of the vagina
III A	The tumor invaded the lower 1/3 of the vagina without invading the pelvic wall
IV	Tumor invades the bladder or rectal mucosa
IV A	Tumor dissemination value adjacent organs
IV B	Distant metastasis of tumor