Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: In comparison to the prior exam , the lung volumes are lower . Bibasilar hazy opacities , which are likely related to atelectasis , but in the proper clinical setting , pneumonia can not be fully excluded . There is no evidence of pleural effusion , pulmonary edema , or pneumothorax . The cardiomediastinal silhouette is normal .
    OUTPUT:
    
Bibasilar opacities in the setting of low lung volumes is likely due to atelectasis , although in the proper clinical setting , a pneumonia can not be fully excluded . Results were discussed with Dr . ___ ___ room resident ) at 11 :50 p .m . on ___ via telephone by Dr . ___ .