Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Lung volumes are low . This accentuates the size of the cardiac silhouette which appears mildly enlarged . Mediastinal and hilar contours are unremarkable . Pulmonary vasculature is not engorged . Lungs are clear without focal consolidation . No pleural effusion or pneumothorax is present . Mild to moderate multilevel degenerative changes are noted in the thoracic spine . Multiple clips are again noted within the upper abdomen .
    OUTPUT:
    
No acute cardiopulmonary abnormality .