Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: There has been interval placement of right - sided pigtail catheter . Pigtail seen in at the right lung apex with some kinking along the course of the catheter . The right - sided pneumothorax has decreased in size but still persists at the apex . Chronic parenchymal changes in the lungs are again noted in fully described on prior report . Thoracic dextroscoliosis is again noted .
    OUTPUT:
    
Interval placement of right pigtail catheter with some kinking along the course of the catheter , decrease in size of right - sided pneumothorax .