PATIENT CHARACTERISTICS: Age: 18 and over Performance status: ECOG 0 or 1 Life expectancy: Not specified Hematopoietic: WBC at least 3,000/mm3 Granulocyte count at least 1,500/mm3 Hemoglobin at least 9.0 g/dL Platelet count at least 100,000/mm3 No coagulation or bleeding disorders Hepatic: Bilirubin no greater than 2.0 mg/dL SGOT and SGPT no greater than 2.5 times upper limit of normal Renal: Creatinine no greater than 2.0 mg/dL Cardiovascular: No concurrent major medical illness of the cardiovascular system Pulmonary: No concurrent major medical illness of the respiratory system Immunologic: Hepatitis B surface antigen negative and hepatitis C antibody negative HIV negative No history of uveitis or other autoimmune inflammatory eye disease No other active autoimmune disease No known allergic reaction to Montanide ISA-51 Other: No concurrent major systemic infection including pneumonia or sepsis No concurrent major medical illness of the gastrointestinal system Not pregnant or nursing Negative pregnancy test No other malignancy within the past 5 years except curatively treated squamous cell skin cancer or carcinoma in situ of the cervix allowed 30 days after treatment