A 55-year-old woman is diagnosed with epithelial ovarian cancer with macroscopic peritoneal implants measuring 1.8 cm outside the pelvis and no lymph node metastases. According to FIGO 2014 staging, this is:

• A Stage IIIB ✓
• B Stage IIIA1
• C Stage IIIA2
• D Stage IIIC

Explanation

FIGO 2014 ovarian cancer staging: Stage IIIA1 — positive retroperitoneal lymph nodes only; Stage IIIA2 — microscopic extrapelvic peritoneal involvement with or without retroperitoneal nodes; Stage IIIB — macroscopic peritoneal metastasis beyond the pelvis ≤2 cm greatest dimension; Stage IIIC — macroscopic peritoneal metastasis beyond pelvis >2 cm. Implants of 1.8 cm (macroscopic, ≤2 cm, outside pelvis, no nodes) are Stage IIIB. Stage IIIC requires deposits >2 cm.

Reference: Shaw's Textbook of Gynaecology, 17th ed.

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