Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Bilateral small - to - moderate pleural effusions are stable . Left lower lobe atelectasis is minimal and improved . Very mild pulmonary edema is stable since yesterday , but worst since ___ . Mediastinal and cardiac contours are normal . There is no pneumothorax .
    OUTPUT:
    
Minimal pulmonary edema and bilateral mild - to - moderate pleural effusions are unchanged .