Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: There is mild interstitial edema . The lungs are hyperinflated consistent with COPD . There is no focal consolidation , pleural effusion , or pneumothorax . The cardiomediastinal silhouette is within normal limits .
    OUTPUT:
    
Mild interstitial pulmonary edema . No focal consolidation . COPD