Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: A left - sided chest tube is unchanged in position with the tip oriented towards the left lung apex . The amount of subcutaneous emphysema along the left lateral chest wall and the left supraclavicular region is unchanged . A very tiny left apical pneumothorax may be present . There is persistent left basilar atelectasis . A small right pleural effusion is noted on the lateral view . The left hemidiaphragm remains elevated compatible with left - sided volume loss . An epidural catheter remains in place . The cardiomediastinal silhouette is stable .
    OUTPUT:
    
1 . Possible very small left apical pneumothorax . 2 . Small right pleural effusion . 3 . Otherwise , stable post-operative appearance of the chest .