Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: PA and lateral views of the chest were provided . The lungs are hyperinflated . There is no overt edema or signs of pneumonia . There is minimal diffuse ground - glass opacity which could represent a very mild pulmonary edema . Cardiomediastinal silhouette is normal . Bony structures are intact . No free air below the right hemidiaphragm . The heart is top normal in size .
    OUTPUT:
    
COPD , possible mild pulmonary edema .