Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: There are bibasilar opacities that most likely represent pneumonia , worse on the left . There is no pneumothorax or pleural effusion or pulmonary vascular congestion . Hyperinflation suggests COPD . The heart size is normal .
    OUTPUT:
    
Bibasilar pneumonia , aspiration is possible .