Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Lungs remain hyperinflated with flattening of the diaphragms . Cardiac , mediastinal and hilar contours are normal . No pulmonary vascular congestion is demonstrated . Lungs are clear . No pleural effusion or pneumothorax is present . There are no acute osseous abnormalities seen .
    OUTPUT:
    
No acute cardiopulmonary abnormality .