Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The cardiac , mediastinal and hilar contours are normal . Lung volumes are low . No focal consolidation , pleural effusion or pneumothorax is visualized . There are no acute osseous abnormalities . No free air is demonstrated under the diaphragms .
    OUTPUT:
    
No acute cardiopulmonary abnormality . No free air under the diaphragms .