Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Allowing for differences technique cardiomediastinal silhouette is unchanged . Bilateral parenchymal opacities right more than left have slightly progressed as compared to the examination and given the short time interval and asymmetry are likely due superimposed edema . There is no large effusion or pneumothorax .
    OUTPUT:
    
Progression of bilateral hazy opacities likely represents increased edema on a background of interstitial lung disease .