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 borderline enlarged but unchanged . Mediastinal and hilar contours are unremarkable . Pulmonary vasculature is normal . No focal consolidation , pleural effusion or pneumothorax is present . Minimal bibasilar atelectasis is noted . There are no acute osseous abnormalities .
    OUTPUT:
    
No acute cardiopulmonary abnormality .