Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: There are streaky bibasilar opacities , right greater than left . Superiorly , the lungs are clear . There is no effusion or edema . Cardiac silhouette is slightly enlarged and there is tortuosity of the thoracic aorta . No acute osseous abnormalities .
    OUTPUT:
    
Bibasilar opacities likely atelectasis . Infection not entirely excluded .