Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The cardiac silhouette is persistently enlarged . Mediastinum is stable in appearance . Prominence of the hila is stable . Prominence of the vasculature suggests mild to moderate pulmonary edema . More focal right base opacity is again seen , which could relate to fluid overload however , infection is not excluded in the appropriate clinical setting . There are bilateral pleural effusions .
    OUTPUT:
    
Bilateral pleural effusions . Mild to moderate pulmonary edema . More focal opacity at the right lung base is again seen , which could relate to fluid overload , but infectious process is not excluded in the appropriate clinical setting .