Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: There has been interval removal of an endotracheal tube and enteric tube . The heart is persistently enlarged but stable in size from the prior exam . Mild interstitial edema persists . Opacities involving the right middle lobe and left lower lobe are again demonstrated and may represent atelectasis or infection in the appropriate setting .
    OUTPUT:
    
Persistent mild edema . Multifocal opacities could represent areas of atelectasis or infection in the appropriate setting .