Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The lung volumes are unchanged . The abscess at the base of the right hemithorax is unchanged . Slight worsening of left lower lobe and right middle lobe atelectasis . Otherwise the cardiomediastinal and hilar silhouette are stable . A minimal right apical pneumothorax may be present . No hydro pneumothorax . New moderate amount of right chest wall subcutaneous emphysema . The left pleural surfaces are stable . The osseous structures , including the severe thoracolumbar scoliosis , is unchanged .
    OUTPUT:
    
1 . Minimal right apical pneumothorax may be present . 2 . Slight worsening of bilateral atelectasis . 3 . New right chest wall subcutaneous emphysema likely secondary to chest tube placement / removal . 4 . Unchanged right basilar abscess .