A 55-year-old postmenopausal woman has a solid-cystic ovarian mass 10 cm in diameter with papillary projections and ascites. CA-125 is 480 U/mL. Intraoperatively, bilateral ovarian involvement is found with omental deposits but no spread beyond the peritoneal cavity. What is the FIGO 2014 stage?
- A Stage IIIA1
- B Stage IIIC ✓
- C Stage IIIB
- D Stage IIC
Correct answer: B. Stage IIIC
Explanation
FIGO 2014 stage IIIC ovarian cancer is defined by peritoneal metastases beyond the pelvis with implants > 2 cm in diameter, including the omentum. Omental deposits with bilateral ovarian involvement but no spread beyond the peritoneal cavity places this in Stage III; implants on the omentum qualify as IIIC. Stage IIC (old FIGO 1988) is no longer used in the 2014 revision. Stage IIIA1 refers only to retroperitoneal lymph node metastasis.
Reference: Shaw's Textbook of Gynaecology, 17th ed.
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