Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Single portable view of the chest is compared to previous exam from ___ . Compared to prior , there has been interval improvement of the left base opacity which still persists . There has been interval development of right basilar opacity compatible with pneumonia in the proper clinical setting . Superiorly , the lungs are clear and the cardiomediastinal silhouette is stable . Dual - lead pacing device is again noted .
    OUTPUT:
    
Interval improvement of left basilar opacity with interval development of right basal opacity concerning for pneumonia in the proper clinical setting .