Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Enteric tube courses below the diaphragm , out of the field of view . There are relatively low lung volumes . Subtle bibasilar opacities most likely represent atelectasis , although aspiration is not excluded in the appropriate clinical setting . No large pleural effusion is seen . There is no pneumothorax . The cardiac and mediastinal silhouettes are unremarkable .
    OUTPUT:
    
Low lung volumes ; subtle bibasilar opacities most likely represent atelectasis , underlying aspiration not excluded in the appropriate clinical setting .