Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: There is a left PICC which terminates in the low SVC . There has been slight improvement in the pulmonary edema , now mild . There are no new focal consolidations . The cardiomediastinal silhouette is stable . There are no large pleural effusions . There is no pneumothorax .
    OUTPUT:
    
1 . Left PICC in appropriate positioning . 2 . Improving pulmonary edema .