Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Cardiac silhouette size is normal . Mediastinal and hilar contours are unremarkable . The pulmonary vasculature is not engorged . Patchy bibasilar airspace opacities may reflect atelectasis , but aspiration is not excluded in the correct clinical setting . No large pleural effusion or pneumothorax is identified . No radiopaque foreign body is demonstrated .
    OUTPUT:
    
Patchy bibasilar airspace opacities concerning for aspiration pneumonia in the correct clinical setting .