Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: There has been interval improvement of pulmonary edema , now moderate in severity . Otherwise , pleural effusions are unchanged . Right PICC line is unchanged in position . Left axillary clips are unchanged in position . Allowing for changes in positioning , cardiomediastinal silhouette appears unchanged .
    OUTPUT:
    
Moderate pulmonary edema , mildly improved . Pleural effusions are unchanged .