PATIENT CHARACTERISTICS: Age: 18 and over Performance status: Karnofsky 70-100% ECOG 0-2 Life expectancy: At least 3 months Hematopoietic: WBC at least 3,000/mm3 Granulocyte count at least 1,500/mm3 Platelet count at least 100,000/mm3 Hepatic: Bilirubin no greater than 2 mg/dL AST no greater than 2 times upper limit of normal (ULN) No hepatitis B or C No other serious liver abnormality Renal: Creatinine no greater than 1.5 times ULN No urinary incontinence Cardiovascular: Ejection fraction at least 50% by MUGA Pulmonary: FEV1 at least 60% DLCO at least 50% Other: No severe anorexia, nausea, or vomiting No other significant medical problems No prisoners No reactivity to humanized MN-14 (in patients with prior exposure to chimeric or humanized antibody) HIV negative Not pregnant or nursing Negative pregnancy test Fertile patients must use effective contraception during and for at least 3 months after study