Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The cardiac silhouette size is borderline enlarged . Mediastinal and hilar contours are normal . Lungs are clear . Pulmonary vasculature is normal . No pleural effusion or pneumothorax is seen . No fractures are identified .
    OUTPUT:
    
No acute cardiopulmonary abnormality . No fractures are identified . If there is continued concern , a dedicated rib series can be obtained .