PATIENT CHARACTERISTICS: Age: Not specified Performance status: ECOG 0-2 Life expectancy: At least 3 months Hematopoietic: WBC at least 2,500/mm3 OR neutrophil count at least 1,000/mm3 (previously treated patients with platelet count at least 75,000/mm3 must have a neutrophil count of greater than 500/mm3) Platelet count at least 75,000/mm3 (previously treated patients must have platelet count at least 45,000/mm3) Thrombocytopenia related to idiopathic thrombocytopenic purpura or B12 or folate deficiency allowed Hepatic: Bilirubin no greater than upper limit of normal (ULN) ALT or AST no greater than 2 times ULN (unless greater than 1/3 of liver is involved by tumor, in which case ALT or AST must be no greater than 5 times ULN) Renal: Not specified Cardiovascular: LVEF at least 50% by MUGA scan or echocardiogram No New York Heart Association class II or greater cardiac disease Other: Not pregnant or nursing Fertile patients must use effective contraception No prior malignancies within 5 years, except: Adequately treated basal or squamous cell skin cancer Adequately treated carcinoma in situ of the cervix No uncontrollable physical, mental, or emotional disorders No history of hypersensitivity to doxorubicin HCL or liposomal or PEGylated formulations of other drugs No active infection requiring IV antibiotics