Ia |
Disease confined to one ovary with no capsular involvement. Peritoneal washings/cytology negative |
Ib |
Disease confined to both ovaries with no capsular involvement. Peritoneal washings/cytology negative |
Ic |
Disease confined to the ovary/ovaries but ovarian capsulae involved or cyst rupture |
IIa |
Extension to uterus or fallopian tubes |
IIb |
Extension to other pelvic tissues |
IIc |
As for IIa or IIb but one or both ovaries have ruptured capsule or surface tumour; malignant ascites or positive peritoneal washings |
IIIa |
Histologically confirmed microscopic seeding of abdominal peritoneal surfaces and negative retroperitoneal lymph nodes |
IIIb |
Histologically confirmed implants of abdominal peritoneal surfaces less than 2 cm and negative retroperitoneal lymph nodes |
IIIc |
Histologically confirmed implants of abdominal peritoneal surfaces greater than 2 cm or positive retroperitoneal lymph nodes |
IV |
Distant metastases (including liver parenchyma/positive pleural fluid cytology) |