Table 4.

Comparison of FIGO staging for stage III.

	2009	2023
Stage III	Tumor spread locally or regionally, extrauterine disease present	Aggressive or non-aggressive extrauterine disease
Stage IIIA	Invasion of adnexa or uterine serosa	IIIA1 Spread to ovary or fallopian tube IIIA2 Spread to uterine subserosa or through uterine serosa
Stage IIIB	Invasion of parametrium and/or vagina	Metastasis to vagina and/or parametria or pelvic peritoneum IIIB1 Direct spread to vagina or parametria IIIB2 Metastasis to pelvic peritoneum
Stage IIIC	Invasion of pelvic and/or para-aortic lymph nodes IIIC1 Metastasis to pelvic lymph nodes	Metastasis to pelvic or para-aortic lymph nodes or both IIIC1 Metastasis to pelvic lymph nodes IIIC1i Micrometastasis IIIC1ii Macrometastasis
	IIIC2 Metastasis to para-aortic lymph nodes w/ or w/o spread to pelvic lymph nodes	IIIC2 Metastasis to para-aortic lymph nodes w/ or w/o spread to pelvic lymph nodes IIIC2i Micrometastasis IIIC2ii Macrometastasis