Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: As compared to chest radiograph from 1 day prior , widespread interstitial opacities have progressed . The background widespread nodular opacities with possible cavitation are unchanged . The cardiac silhouette is not enlarged . The hila contours are unchanged . No pleural effusion pneumothorax . The support devices are similar position .
    OUTPUT:
    
Interval worsening of the widespread interstitial opacities , likely superimposed worsening pulmonary interstitial edema on background multifocal pneumonia .