Iressa in the Treatment of Brain Metastases From Non Small Cell Lung Cancer

Inclusion Criteria: * Radiologically confirmed brain metastases from Non Small Cell Lung Cancer * No symptoms due to brain metastases * No previous radiotherapy treatment for the Brain metastases Exclusion Criteria: * No prior chemotherapy * No other co-existing malignancies or malignancies diagnosed within the last 5 years with the exception of basal cell carcinoma or cervical cancer in situ * Any evidence of severe or uncontrolled systemic disease (e.g., unstable or uncompensated respiratory, cardiac, hepatic, or renal disease)