Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The lungs are low in volume and show mild bibasilar atelectasis . The cardiac silhouette is top normal . The mediastinal silhouette and hilar contours are normal . There may be a small right - sided effusion . No pneumothorax is noted . A JP drain is noted under the right diaphragm . A chest tube is noted on the high . The azygous vein is prominent .
    OUTPUT:
    
No pneumothorax . Bibasilar atelectasis . Mild vascular congestion .