Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Frontal and lateral views of the chest are compared to previous exam from ___ and ___ . Right chest wall port is again seen with catheter tip at the cavoatrial junction . There are bibasilar opacities , potentially due to atelectasis . Superiorly , the lungs are clear . Cardiomediastinal silhouette is stable . Osseous and soft tissue structures are notable for hypertrophic changes in the spine . Surgical clips project over the lower neck on both sides .
    OUTPUT:
    
Bibasilar opacities likely due to atelectasis ; however , infection is not completely excluded . Please correlate clinically .