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 ___ . Moderate right - sided pleural effusion persists . There has , however , been interval improvement of previously seen pulmonary edema which is now essentially resolved . No significant left - sided pleural effusion is seen . Cardiac silhouette is enlarged but stable . Dual - lead pacing device is seen with lead tips in unchanged position . Bones are diffusely osteopenic and not well evaluated .
    OUTPUT:
    
Persistent moderate right - sided pleural effusion . No evidence of significant pulmonary edema .