Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: There are parenchymal opacities , left greater than right and moderate bilateral pleural effusions . Cardiomediastinal silhouette is difficult to assess but is likely within normal limits . Metallic densities project over the neck , uncertain etiology , potentially external .
    OUTPUT:
    
Bilateral pulmonary edema and moderate bilateral facet lesions noting that infection can not be excluded .