Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: There has been interval increase and moderate bilateral pleural effusions with overlying atelectasis . There has also been increasing and bilateral perihilar opacities was likely reflecting pulmonary edema , however , underlying infectious process is not excluded . Cardiac silhouette is not accurately assessed due to the bibasilar opacities although grossly not larger than on the prior study . Mediastinal contours are unremarkable .
    OUTPUT:
    
Interval increase in moderate bilateral pleural effusions with overlying atelectasis , underlying consolidation not excluded . Interval increase in perihilar opacities concerning for pulmonary edema although infectious process not excluded . Constellation of findings may be due to CHF in the appropriate clinical setting .