Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Cardiac silhouette size is borderline enlarged , unchanged . Mediastinal and hilar contours are unchanged with ectasia of the ascending thoracic aorta better assessed on the previous chest CT . Pulmonary vasculature is not engorged . Minimal atelectasis is seen in the right lung base . Remainder of the lungs are clear without focal consolidation . No pleural effusion or pneumothorax is present . No acute osseous abnormality is seen .
    OUTPUT:
    
No acute cardiopulmonary abnormality .