Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Cardiac silhouette size is normal . Mediastinal and hilar contours are unremarkable . Lungs are clear . Pulmonary vasculature is normal . Elevation of the right hemidiaphragm is unchanged . No pleural effusion or pneumothorax is present . Remote bilateral rib fractures are visualized .
    OUTPUT:
    
No acute cardiopulmonary abnormality .