9. Patients with asymptomatic brain metastases are allowed, as long as they are treated, stable, and do not require treatment with anticonvulsants or escalating doses of steroids. Maximum daily dose of steroids should be prednisone 10 mg or equivalent. Radiation therapy for brain metastases must be completed at least 14 days prior to treatment on protocol. Patients with untreated brain metastases who are stable, asymptomatic and not requiring treatment with anticonvulsants or escalating doses of steroids are eligible.