Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The patient is status post right upper and right middle lobe resection with expected postoperative volume loss in the right hemithorax . An area of loculated fluid persists at the right apex , and there is stable postoperative appearance of the right hilar regions . Improving aeration is present at the right lung base with some residual minimal linear atelectasis or scar remaining as well as a persistent small right pleural effusion . Left lung is slightly overexpanded but grossly clear . As compared to the prior study , subcutaneous emphysema in the right chest wall has resolved .
    OUTPUT:
    
Postoperative changes in the right hemithorax as described .