Patients will be evaluated by history, physical examination, and laboratory assessment every 4 weeks. Radiographic disease assessments by chest radiograph will be obtained every 4 weeks and computer tomography every 8 weeks or longer if clinically indicated. Whole body PET scan will be obtained at 10 days and 8 weeks. All radiographic studies will be sent to Medical Metrix Solutions (MMS) for an independent radiographic review of tumor response.