Chemotherapy in Treating Patients With Sarcoma of the Uterus

DISEASE CHARACTERISTICS: Histologically confirmed advanced, persistent or recurrent uterine sarcoma with documented disease progression after appropriate local therapy Leiomyosarcoma Malignant mixed mullerian tumor (mixed mesodermal tumor, mixed heterologous mesenchymal sarcoma) Mixed malignant Muellerian tumor (carcinosarcoma, homologous mesenchymal sarcoma) Endometrial stromal sarcoma Other uterine sarcomas Considered incurable Bidimensionally measurable disease consisting of abdominal, pelvic, chest, or other masses by palpation, x-ray, computed tomography, or ultrasound PATIENT CHARACTERISTICS: Age: Over 21 Performance status: GOG 0-2 Life expectancy: Not specified Hematopoietic: Absolute neutrophil count at least 1,500/mm3 Platelet count at least 100,000/mm3 Hepatic: Bilirubin no greater than 1.5 times upper limit of normal (ULN) SGOT no greater than 3 times ULN Alkaline phosphatase no greater than 3 times ULN Renal: Creatinine no greater than 1.5 mg/dL Cardiovascular: LVEF normal by MUGA scan Other: No clinically significant infection No other malignancy within the past 5 years except nonmelanoma skin cancer PRIOR CONCURRENT THERAPY: Biologic therapy: Not specified Chemotherapy: No prior therapy with cytotoxic drugs No prior doxorubicin HCl liposome No prior doxorubicin greater than 360 mg/m2 No other concurrent antineoplastic agents Endocrine therapy: Not specified Radiotherapy: Recovered from prior radiotherapy No prior radiotherapy for any other malignancy Surgery: Recovered from prior surgery Other: No other concurrent investigational agents