Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Interval placement of a left PICC in the upper SVC . Otherwise , no significant change . Right apical fluid plus / minus air , sutures , and endobronchial valves are unchanged . Small dependent right pleural effusion is unchanged . Heart size is normal . Cardiomediastinal and hilar silhouettes are unchanged .
    OUTPUT:
    
Improved position of a left PICC terminating in the upper SVC . Otherwise , little significant change .