Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: PA and lateral views of the chest are obtained . The dual - lead pacer is unchanged . Cardiomediastinal silhouette is unchanged from prior with a markedly unfolded thoracic aorta . The lungs are hyperinflated with flattened diaphragms and widened diameter of the chest which is compatible with COPD . There is no focal consolidation , effusion , or pneumothorax . Bony structures are intact . No free air below the right hemidiaphragm .
    OUTPUT:
    
COPD , no superimposed consolidation .