Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: PA and lateral views of the chest provided . Midline sternotomy wires and mediastinal clips are again noted . Lungs appear hyperinflated with upper lung lucency suggesting emphysema . There is no focal consolidation concerning for pneumonia . No large effusion or pneumothorax . No signs of congestion or edema . Cardiomediastinal silhouette is stable . Bony structures are intact .
    OUTPUT:
    
No acute findings .