Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Moderate - to - severe pulmonary edema that was present on ___ , has significantly improved and is now mild . Bibasilar opacity has also improved . Moderate cardiac enlargement is stable . Small pleural effusion has also improved . There is no pneumothorax .
    OUTPUT:
    
Pulmonary edema has significantly improved and is now mild .