Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The heart size is top normal . Mediastinal and hilar contours are unremarkable . Pulmonary vasculature is normal . Lungs are clear . No pleural effusion or pneumothorax is present . No displaced fractures are identified .
    OUTPUT:
    
No acute cardiopulmonary abnormality . No displaced fractures noted .