DISEASE CHARACTERISTICS: Histologically proven Kaposi's sarcoma with 10 or more mucocutaneous lesions or a visceral lesion with at least 2 assessable cutaneous lesions OR Histologically confirmed advanced malignancy that is refractory to standard treatment or for which no standard therapy exists

PATIENT CHARACTERISTICS: Age: 18 and over Performance status: Karnofsky 70-100% Life expectancy: More than 4 months Hematopoietic: Neutrophil count at least 1,000/mm3 Platelet count at least 75,000/mm3 Hemoglobin at least 8 g/dL Hepatic: Bilirubin less than 1.5 times normal SGOT no greater than 2 times normal Renal: Creatinine no greater than 2.0 mg/dL OR Creatinine clearance at least 50 mL/min Cardiovascular: No clinically significant congestive heart failure Other: Not pregnant or nursing Negative pregnancy test Fertile patients must use effective contraception No active opportunistic infections requiring antibiotic treatment No moderate to severe sensory and motor peripheral neuropathy No other prior or concurrent malignancy except carcinoma in situ of the cervix or nonmelanoma skin cancer No hypersensitivity to doxorubicin HCl liposome or cyclosporine

PRIOR CONCURRENT THERAPY: Biologic therapy: At least 4 weeks since prior interferon Chemotherapy: At least 4 weeks since prior cytotoxic chemotherapy Prior doxorubicin HCl liposome allowed No other concurrent cytotoxic chemotherapy Endocrine therapy: Not specified Radiotherapy: At least 4 weeks since prior radiotherapy or external beam therapy No concurrent palliative radiotherapy Surgery: Not specified Other: No concurrent medications known to interact with cyclosporine