A 55-year-old postmenopausal woman presents with abdominal distension and early satiety. CA-125 is 620 U/mL. CT scan shows bilateral solid-cystic adnexal masses with omental cake, ascites, and peritoneal deposits. Optimal cytoreduction is performed, leaving <1 cm residual disease. According to FIGO 2014 staging, which stage applies?
- A FIGO Stage IIIC ✓
- B FIGO Stage IIIA1
- C FIGO Stage IIIB
- D FIGO Stage IVB
Correct answer: A. FIGO Stage IIIC
Explanation
FIGO 2014 ovarian cancer staging: Stage III = peritoneal metastasis beyond pelvis and/or retroperitoneal lymph nodes. IIIA1 = positive retroperitoneal nodes only; IIIA2 = microscopic extrapelvic peritoneal involvement; IIIB = macroscopic peritoneal metastasis ≤2 cm; IIIC = macroscopic peritoneal metastasis >2 cm. Omental cake and peritoneal deposits >2 cm outside the pelvis place her at Stage IIIC. Stage IV involves distant metastasis including liver parenchyma or pleural effusion with positive cytology.
Reference: Shaw's Textbook of Gynaecology, 17th ed.
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