Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Moderate enlargement of the cardiac silhouette is re - demonstrated . The mediastinal and hilar contours are unchanged . The pulmonary vasculature is not engorged . Lungs are clear . No focal consolidation , pleural effusion or pneumothorax is present . There are no acute osseous abnormalities identified .
    OUTPUT:
    
No acute cardiopulmonary abnormality .