Trial to Evaluate Radiotherapy With or Without CBDCA in Elderly Patients With Non-Small Cell Lung Cancer (JCOG0301)

Inclusion Criteria: * Histologically and/or cytologically proven NSCLC * Unresectable disease * Stage IIIA except T3N1M0 and IIIB which does not have disease extended to any contralateral hilar nodes, atelectasis of the entire lung or malignant pleural effusions * A required radiation field of less than one half of one lung * Measurable disease * No previous chemotherapy or radiotherapy * Age \>= 71 * Unable to receive cisplatin-based combination chemotherapy * ECOG performance status (PS) of 0-2 * Adequate bone marrow, lung, hepatic, and renal function * Written informed consent Exclusion Criteria: * Active infection, diarrhea, ileus, uncontrolled diabetes, myocardial infarction within three months, or severe other comorbidity * Synchronous cancer or metachronous (within 5 years) malignancy * Interstitial pneumonia or active lung fibrosis on chest X-ray * Severe chronic obstructive pulmonary disease, chronic bronchitis, or bronchial asthma * Pleural or pericardial effusion * A history of severe hypersensitivity * Mental disorder * Judging of inappropriate condition for this study by physician