Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Lower lung volumes seen on the current exam with streaky bibasilar opacities which are likely atelectasis . Right chest wall port is seen in stable position . The cardiomediastinal silhouette is within normal limits . No acute osseous abnormalities .
    OUTPUT:
    
Bibasilar opacities likely atelectasis in the setting of lower lung volumes , however infection can not be excluded .