Fact-sheet: Cervical cancer
Updated on 09/17/2021 at 12:16 PM
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Classification
Stage I The FIGO classification remains based on clinical examination; nodal involvement is to be specified separately. Cancer strictly confined to the cervix Stage IA: Invasive cancer identified only microscopically, with stromal invasion: maximum depth of 5 mm, maximum width of 7 mm IA1 depth ≤ 3 mm, width ≤ 7 mm IA2 3 mm < depth ≤ 5 mm and width ≤ 7 mm Stage IB: Clinically visible cancer confined to the cervix or microscopic cancer larger than IA IB1 T ≤ 4 cm IB2 T > 4 cm Stage II Cancer extending beyond the cervix but not reaching the pelvic wall or the lower third of the vagina Stage IIA: extending to the upper two-thirds of the vagina IIA1 Size T ≤ 4 cm IIA2 Size T > 4 cm Stage IIB: (proximal) parametrial involvement Stage III Cancer extending to the pelvic wall and/or the lower third of the vagina (including hydronephrosis) Stage IIIA: vaginal involvement up to the lower third Stage IIIB: fixation to the pelvic wall (or hydronephrosis or non-functioning kidney) Stage IV Cancer extending beyond the true pelvis or involving the bladder and/or rectal mucosa Stage IVA adjacent organ Stage IVB distant, including para-aortic lymph nodes
