Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: There are small to moderate bilateral pleural effusions . Right base atelectasis is seen . Right base opacity may be due to combination of atelectasis and pleural effusion , although underlying consolidation is not excluded . The cardiac silhouette appears top normal to mildly enlarged though the right aspect of the cardiac silhouette is not well assessed due to overlying opacity . The mediastinal contours are unremarkable .
    OUTPUT:
    
Small to moderate bilateral pleural effusions . Right base atelectasis . Right base opacity may be due to combination of pleural effusion and atelectasis ; however , underlying consolidation not excluded .