Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The lungs are hyperinflated . No acute focal consolidation , interstitial edema , pneumothorax or pleural effusion . Cardiomediastinal silhouettes are stable . No aggressive bony lesions .
    OUTPUT:
    
No acute cardiopulmonary process . Mild hyperinflation in keeping with COPD