Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Right lower lobe opacification is again seen but is improving compared to previous chest radiograph . Continued bibasilar small pleural effusions are seen with associated atelectasis . The cardiac silhouette and the mediastinal contours are normal . Mild pulmonary edema continues to be seen . The osseous structures are grossly unremarkable .
    OUTPUT:
    
Improved pulmonary edema with small bilateral pleural effusions . Right lower lobe opacity may be associated with atelectasis , but supervening infectious process can not be ruled out .