Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Lung volumes are low . Heart size is normal . Mediastinal and hilar contours are unremarkable . Pulmonary vasculature is not engorged . The lungs are clear . No pleural effusion , focal consolidation or pneumothorax is demonstrated . No acute osseous abnormality seen .
    OUTPUT:
    
No acute cardiopulmonary abnormality .