Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Single portable view of the chest . Again seen is right basilar opacity projecting over the right liver dome . There is no new confluent consolidation . The lungs are hyperinflated . The cardiac silhouette is slightly enlarged . Atherosclerotic calcifications noted at the aortic arch .
    OUTPUT:
    
No significant interval change . Persistent mild right basilar opacity not significantly changed since most recent exam .