Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The comparison chest radiograph from ___ , there is a mild improvement in right lateral pneumothorax , though leftward mediastinal shift remains and there is still concern for hemodynamic significance . Right basilar pigtail catheter tip unchanged in standard placement . Bibasilar interstitial abnormalities persist . There is no pleural effusion or left pneumothorax . Heart size is normal . Severe emphysema .
    OUTPUT:
    
Mildly improved right lateral pneumothorax , though there is still concern for hemodynamic significance . Severity of pneumothorax was discussed with clinical team .