Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The cardiac silhouette size is mildly enlarged . The mediastinal and hilar contours are within normal limits . The pulmonary vasculature is normal . Lungs are clear . No pleural effusion , focal consolidation or pneumothorax is identified . No acute osseous abnormalities seen . No subdiaphragmatic free air is identified .
    OUTPUT:
    
No acute cardiopulmonary abnormality . No subdiaphragmatic free air identified .