Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Moderate enlargement of the cardiac silhouette is re - demonstrated along with a coronary artery stent . The aorta is diffusely calcified , the mediastinal and hilar contours are unchanged . Pulmonary vasculature is not engorged . No focal consolidation , pleural effusion or pneumothorax is identified . Moderate degenerative changes are noted throughout the thoracic spine .
    OUTPUT:
    
No acute cardiopulmonary abnormality .