Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Heart size is normal . Mediastinal and hilar contours are normal . Lungs are clear . No pleural effusion , focal consolidation or pneumothorax is identified . No acute osseous abnormality is detected . No free air is seen under the diaphragms .
    OUTPUT:
    
No acute cardiopulmonary abnormality .