Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Right subclavian PICC line is unchanged with tip ending in upper SVC . IJ catheter has tip ending in right atrium Right basal pigtail tube has been repositioned at the base of the right lung , now with tip ending more medially . The right base atelectasis are slightly improved , with reduced pleural effusion . The heart size is still enlarged . There is no pneumothorax .
    OUTPUT:
    
The right pig - tail tube has been repositioned . Improved the ventilation at the right base , with reduced pleural effusion .