Cervical Cancer

FIGO Staging of Cervical Cancer (2009)

STAGE I
The carcinoma is strictly confined to the cervix (extension to the corpus would be disregarded)
IA
Invasive carcinoma which can be diagnosed only by microscopy, with deepest invasion ≤5 mm and largest extension ≤7 mm
IA1
Measured stromal invasion of ≤3.0 mm in depth and extension of ≤7.0 mm
IA2
Measured stromal invasion of >3.0 mm and not >5.0 mm
with an extension of not >7.0 mm
IB
Clinically visible lesion ≤4.0 cm in greatest dimension
IB1
Clinically visible lesions limited to the cervix uteri or pre-clinical cancers greater than stage IA
IB2
Clinically visible lesion >4.0 cm in greatest dimension
STAGE II
Cervical carcinoma invades beyond the uterus, but not to the pelvic wall or to the lower third of the vagina
IIA
Vaginal involvement without parametrial invasion
IIA1
Clinically visible lesion ≤4.0 cm in greatest dimension
IIA2
Clinically visible lesion >4 cm in greatest dimension
IIB
With obvious parametrial invasion
STAGE III
The tumor extends to the pelvic wall and/or involves lower third of the vagina and/or causes hydronephrosis or non-functioning kidney
IIIA
Tumor involves lower third of the vagina, with no extension to the pelvic wall
IIIB
Extension to the pelvic wall and/or hydronephrosis or non-functioning kidney
STAGE IV
The carcinoma has extended beyond the true pelvis or has involved (biopsy proven) the mucosa of the bladder or rectum. A bullous edema, as such, does not permit a case to be allotted to Stage IV
IVA
Spread of the growth to adjacent organs
IVB
Spread to distant organs

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