Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: AP upright and lateral views of the chest provided . Lungs are hyperinflated and lucent likely reflecting underlying emphysema . Prominent costal cartilage accounts for para nodularity projecting over the left lower lung . No large effusion or pneumothorax . Cardiomediastinal silhouette is normal . Bony structures are intact . No free air below the right hemidiaphragm .
    OUTPUT:
    
No acute findings . COPD .