Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: In comparison with study of ___ , there are continued low lung volumes . There is a small - to - moderate pneumothorax on the right . Nasogastric tube extends to just below the level of the carina . Opacification at the right base consistent with some combination of atelectasis and effusion , and there are atelectatic changes at the left base as well . Subcutaneous gas is seen along the lower right chest and upper right abdomen .
    OUTPUT:
    
Small - to - moderate right pneumothorax postoperatively . This information has been telephoned to Dr . ___ .