Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Cardiac silhouette size remains mildly enlarged . The aorta is tortuous and the ascending aortic contour appears dilated , but unchanged . Pulmonary vasculature is not engorged . No focal consolidation , pleural effusion or pneumothorax is identified . There are no acute osseous abnormalities . Hypertrophic changes are again seen in the thoracic spine .
    OUTPUT:
    
No acute cardiopulmonary abnormality .