Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Frontal and lateral views of the chest were obtained . The heart size and cardiomediastinal contours are normal . Previously seen pulmonary edema has resolved . Mild hyperexpansion of the lungs is suggestive of COPD . No focal consolidation , pleural effusion , or pneumothorax .
    OUTPUT:
    
Mild pulmonary hyperexpansion , suggestive of COPD . No focal consolidation .