Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The tracheostomy tube is no longer visualized . Diffuse bilateral interstitial opacities with perihilar predominance have increased as compared to the prior examination . There is also increased airspace consolidation in the lower lobes . Small bilateral pleural effusions are stable . Cardiomediastinal silhouette is unchanged including engorgement of the azygos and central venous structures .
    OUTPUT:
    
1 . Diffusely increased bilateral opacities with a perihilar predominance is consistent with worsening moderate pulmonary edema . 2 . Small bilateral pleural effusions are overall unchanged .