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 similar . Pulmonary vasculature is not engorged . Minimal atelectasis is noted in the lung bases without focal consolidation , pleural effusion or pneumothorax . No acute osseous abnormalities detected . Remote right - sided rib fractures are present .
    OUTPUT:
    
No acute cardiopulmonary abnormality .