Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Moderate pulmonary edema has significantly improved and is now minimal . Moderate cardiac enlargement is stable since yesterday , but increased since ___ in this patient with prior sternotomy for mitral valve repair . Pleural effusions are small if any . There is no pneumothorax .
    OUTPUT:
    
Significant improvement of pulmonary edema that is now minimal .