PATIENT CHARACTERISTICS: Age: 18 and over Sex: Not specified Menopausal status: Not specified Performance status: Karnofsky 70-100% OR 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 less than 2 mg/dL AST less than 2 times upper limit of normal (ULN) Renal: Creatinine less than 1.5 times ULN Cardiovascular: Cardiac ejection fraction greater than 50% by MUGA Pulmonary: DLCO greater than 70% of predicted FVC and FEV1 greater than 70% of predicted Other: Not pregnant Negative pregnancy test Fertile patients must use effective contraception No severe anorexia, nausea or vomiting, or urinary incontinence No other significant concurrent medical problem including severe psychiatric, epileptic, or diabetic disease No prisoners If received prior chimeric or humanized antibody (e.g., trastuzumab (Herceptin)), must not have allergy to yttrium Y 90 monoclonal antibody MN-14