Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Mild to moderate enlargement of the cardiac silhouette is unchanged . The mediastinal and hilar contours are similar . No focal consolidation , pleural effusion or pneumothorax is seen . There is no pulmonary edema identified . No acute osseous abnormalities are visualized .
    OUTPUT:
    
No acute cardiopulmonary abnormality .