We placed patients with invasive epithelial ovarian cancer into four distinct prognostic groups: ‘low’, ‘moderate’, ‘high’ and ‘extreme’ risk. The ‘moderate-risk’ group contained all residual negative, stage I and II patients with two exceptions: stage Ia or b, grade 1 cancers and grade 3 cancers. They were treated with primary surgery, usually including bilateral salpingo-oophorectomy, hysterectomy and omentectomy. Chemotherapy was then given (cisplatin at 100 mg m−2 every 2 weeks for three cycles) followed by pelvi-abdominal irradiation (2250 cGy in 10 fractions to the pelvis and 2250 cGy in 22 fractions to the whole abdomen including pelvis). An early cohort with ascites or positive washings instead received six cycles of cisplatin and cyclophosphamide at 75 mg m−2 and 600 mg m−2 every 4 weeks with the same pelvi-abdominal irradiation sandwiched between cycles 3 and 4. One-hundred and nine patients were treated between November 1983 and December 1989. Median follow-up was 4.7 years (range 0.7–9 years). The 5-year actuarial overall and failure-free survivals were 81% and 76%, respectively. Chronic toxicity, although usually minor, included 15% with peripheral neuropathy or ototoxicity and 23% with chronic abdominal complaints. Our combined-modality results are similar to those obtained by other centers utilizing either pelvi-abdominal irradiation alone or cisplatin-based chemotherapy alone.
- low stage
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