Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The cardiac silhouette size is top normal . The aorta is unfolded . The mediastinal and hilar contours are otherwise unremarkable . The pulmonary vasculature is normal . Lungs are clear . No pleural effusion or pneumothorax is seen . No acute osseous abnormalities visualized .
    OUTPUT:
    
No acute cardiopulmonary abnormality .