Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: There is an air collection in the right apex , which appears to have increased in size compared to other post - op CXR 's on ___ and ___ . There is expected right upper lobe volume loss as indicated by the upward tenting of the right hemidiaphragm , as well as rightward shift of the trachea . Unchanged appearance of right lung base atelectasis . Right - sided chest tube is unchanged in position . Left lung is essentially clear . There are no large pleural effusions . Substantial cardiomegaly is persistent .
    OUTPUT:
    
1 . Interval increase in size of right apical air collection compared to ___ and ___ . 2 . Expected RUL volume loss s / p lobectomy .