Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: AP and lateral chest radiograph demonstrates a heart which is upper limits of normal in size . New since prior examination is a right pleural effusion and probable small left pleural effusion . Right hilar opacity as well as retrocardiac nodular opacities are new since prior study performed ___ . Overall increased opacity projecting over the right lower lung field is additionally noted .
    OUTPUT:
    
Bilateral pleural effusions , right greater than left , with central vascular prominence is suggestive of mild pulmonary edema . New retrocardiac opacities are noted for which infectious process can not be excluded .