Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Lungs are well inflated and clear . The cardiac silhouette is mildly enlarged . Hilar contours and pleural surfaces are stable . There is no pleural effusion or pneumothorax . A left chest pacemaker lead is in unchanged position . Visualized upper abdomen is unremarkable . Anterior bridging osteophytes are noted in the thoracic spine .
    OUTPUT:
    
No evidence of acute cardiopulmonary process .