Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Moderate enlargement of the cardiac silhouette persists . The mediastinal and hilar contours are normal . Pulmonary vasculature is normal . No focal consolidation , pleural effusion or pneumothorax is identified . No acute osseous abnormality is detected .
    OUTPUT:
    
No acute cardiopulmonary abnormality .