Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: PA and lateral views of the chest are obtained . There is widened AP diameter of the chest , which could indicate COPD . There is no focal consolidation , effusion , or pneumothorax . Cardiomediastinal silhouette is normal . Bony structures are intact .
    OUTPUT:
    
COPD without superimposed consolidation or effusion .