Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: A new focal opacity is visualized overlying the left lower lobe . Otherwise , the right hemithorax is clear . The lungs are hyperinflated suggesting underlying COPD . Cardiomediastinal silhouette is normal . No acute fractures are identified .
    OUTPUT:
    
New opacity overlying the left lower lobe is suggestive of a new developing pneumonia in this region .