Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Shallow inspiration . Bibasilar opacities , likely atelectasis . Tiny right pleural effusion . No pneumothorax . Borderline heart size , pulmonary vascularity , accentuated by shallow inspiration .
    OUTPUT:
    
Bibasilar opacities , likely represent atelectasis ; pneumonitis can not be excluded radiographically .