4. Individuals with relapsed NSCLC who have received at least one standard chemotherapeutic regimen are eligible. Patients who received adjuvant chemotherapy and then relapse or recur less than or equal to 12 months after completion of chemotherapy will be eligible. Patients who received adjuvant chemotherapy and relapse greater than 12 months after completion of chemotherapy should receive frontline therapy for metastatic disease before enrollment, as should individuals who initially present with incurable disease that is chemotherapy naive. Individuals unwilling to receive standard front line therapy for metastatic lung cancer may enroll.