Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Lung volumes are somewhat low which accentuates bronchovascular markings . The cardiomediastinal and hilar contours are within normal limits . The aorta is minimally calcified . Subtle bibasilar opacities suggest atelectasis however infection should be considered in the appropriate clinical setting . There is no pleural effusion or pneumothorax identified . The stomach is moderately distended with gas and fluid .
    OUTPUT:
    
Bibasilar opacities , which may be due to atelectasis or aspiration in the appropriate clinical setting . Short - term followup radiographs may be helpful , particularly if there is clinical suspicion for infection .