Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Heart size is mildly enlarged . The mediastinal and hilar contours are within normal limits . Lungs are clear without focal consolidation . No pleural effusion or pneumothorax is detected . Pulmonary vasculature is normal . No acute osseous abnormality is visualized .
    OUTPUT:
    
No acute cardiopulmonary abnormality .