PRIOR CONCURRENT THERAPY: Biologic therapy: No immunotherapy within the past 4 weeks No concurrent immunotherapy Chemotherapy: No chemotherapy within the past 4 weeks No mitomycin within the past 6 weeks No other concurrent chemotherapy No prior anthracycline therapy greater than 200 mg/m2 Endocrine therapy: Not specified Radiotherapy: No radiotherapy within the past 4 weeks No concurrent radiotherapy No prior radiotherapy to the whole abdomen Surgery: Prior surgery allowed