Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Marked subcutaneous emphysema is again seen tracking up the right chest wall , bilateral neck , and outlining the pectoral muscle , though it has minimally decreased . Pneumomediastinum is again noted . A small right apical pneumothorax persists . A right chest tube is unchanged in position with its tip directed towards the right lung apex . Bibasilar atelectasis is slightly increased from prior . The cardiac silhouette remains moderately enlarged , the mediastinal contours are unchanged . An ET tube and NG tube are unchanged in appearance .
    OUTPUT:
    
Small right apical pneumothorax ; marked subcutaneous emphysema and pneumomediastinum are minimally improved .