Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Lungs are hyperinflated . There is a large right basilar pneumothorax , not significantly changed compared to the prior outside facility radiograph performed several hours earlier . No pneumothorax on the left . Bibasilar heterogeneous opacities may represent atelectasis or aspiration in the appropriate clinical setting . Heart size is normal . Note is made of extensive subcutaneous emphysema , predominantly on the right .
    OUTPUT:
    
1 . No significant interval change in size of large right basilar pneumothorax . No evidence of tension . Extensive subcutaneous emphysema . 2 . Bibasilar opacities may represent atelectasis or aspiration .