Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The lungs are hyperinflated . There is no pneumothorax . Bilateral effusions are small . Retrocardiac opacity correlates with postoperative changes seen on concurrent CTA chest . The cardiomediastinal silhouette is normal . Imaged osseous structures are intact . No free air below the right hemidiaphragm is seen .
    OUTPUT:
    
No acute intrathoracic process . Faint nodules throughout the lungs are better seen on concurrent CTA chest .