Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Postsurgical changes in the right upper hemithorax are again seen with mild volume loss of the right lung and shift of mediastinum to the right . The lungs are clear without focal consolidation . No pleural effusion or pneumothorax is seen . The cardiac and mediastinal silhouettes are unremarkable . No radiopaque foreign body is seen aside from stable appearing surgical clips over the right mediastinum .
    OUTPUT:
    
Postoperative changes again seen . No new radiopaque foreign body is seen .