Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Diffuse bilateral parenchymal opacities are seen , increased compared to the prior exam , right greater than left with blunting of the right costophrenic angles , likely secondary to small bilateral pleural effusions . A right - sided Port - A - Cath is seen , terminating at the cavoatrial junction . The cardiac silhouette is difficult to assess on the background of the parenchymal opacities .
    OUTPUT:
    
Interval increase in diffuse bilateral parenchymal opacities , which may be secondary to edema , infection or with ARDS .