Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: As compared to prior chest radiograph from ___ , there has been interval removal of a right chest tube . Remaining support and monitoring devices are in unchanged position . There is a persistent moderate right basilar pneumothorax , manifested by hyperlucency in the peridiaphragmatic region . There is improved aeration at lung bases bilaterally . Otherwise , no other changes demonstrated .
    OUTPUT:
    
Persistent moderate right basilar pneumothorax .