Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The cardiac silhouette size is top normal . Aorta is tortuous . The mediastinal and hilar contours are otherwise are unremarkable . The pulmonary vascularity is normal . Minimal streaky opacities in the lung bases likely reflect atelectasis . No focal consolidation is present . There is no pleural effusion or pneumothorax . Cholecystectomy clips are noted in the right upper quadrant the abdomen . There are mild degenerative changes in the thoracic spine .
    OUTPUT:
    
No acute cardiopulmonary abnormality .