Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Mild enlargement of the cardiac silhouette is unchanged . The mediastinal and hilar contours are still stable . Pulmonary vasculature is normal . Minimal atelectasis is noted in the lung bases . No focal consolidation , pleural effusion or pneumothorax is present . No acute osseous abnormality is identified .
    OUTPUT:
    
No acute cardiopulmonary abnormality .