Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Mild interval improvement in the pulmonary edema . Endotracheal tube in situ with the tip 84 mm proximal to the carina . Increased bibasal densities appear similar compared to previous imaging and most likely represent bibasal atelectasis with small associated effusions . No new airspace consolidation .
    OUTPUT:
    
Mild interval improvement in the pulmonary edema . Bibasilar atelectasis with suspected associated small effusions unchanged .