Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Lung volumes are low . The heart size is normal . Mediastinal and hilar contours are unremarkable , and there is no pulmonary edema . Minimal linear atelectasis in the right lung base is seen . No focal consolidation , pleural effusion or pneumothorax is identified . Multilevel degenerative changes are again seen in the thoracic spine .
    OUTPUT:
    
No acute cardiopulmonary process .