Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Compared with ___ , there are no significant changes allowing for differences in technique and positioning . Again seen is the opacification in bilateral bases left greater than right . Again seen are bilateral low lung volumes . Cardiomediastinal silhouette unchanged . The left chest port tip ends in right atrium .
    OUTPUT:
    
No significant change when compared to ___ in bibasilar opacities