Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Overlying trauma board and external devices limit assessment . Heart size is normal . Mediastinal and hilar contours are within normal limits . Pulmonary vasculature is not engorged . Lungs are clear . No focal consolidation , large pleural effusion or pneumothorax is detected on this supine exam . No acutely displaced fractures are grossly visualized .
    OUTPUT:
    
No acute cardiopulmonary abnormality .