Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Mild cardiomegaly is unchanged . The mediastinal and hilar contours are within normal limits . Pulmonary vasculature is not engorged . No focal consolidation , pleural effusion or pneumothorax is detected . Mild to moderate degenerative changes are seen in the thoracic spine . Remote right - sided rib fractures are again noted .
    OUTPUT:
    
No acute cardiopulmonary abnormality .