A 35-year-old woman develops gestational trophoblastic neoplasia 18 months after a term delivery. CT chest reveals multiple bilateral pulmonary nodules. Brain MRI and liver ultrasound are normal. According to FIGO 2000, what is the anatomic stage?
- A Stage III ✓
- B Stage II
- C Stage I
- D Stage IV
Correct answer: A. Stage III
Explanation
FIGO 2000 anatomic staging for GTN: Stage I is confined to the uterus, Stage II extends to the adnexa or vagina, Stage III involves the lungs with or without known genital tract involvement, and Stage IV includes all other metastatic sites (brain, liver, kidney, GI tract). Pulmonary metastases without brain or liver involvement classify as Stage III.
Reference: FIGO Oncology Committee Guidelines, 2000 ed.
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