Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The right - sided PICC has been repositioned , the tip is now in the mid to low SVC . The trachea is central . The cardiomediastinal contour is unchanged . There is an unchanged left lower lobe atelectasis . Possible air in the horizontal fissure is likely due to the projection technique and is on likely to reflect a pneumothorax . No definite pneumothorax seen . No free air under the diaphragm .
    OUTPUT:
    
Successful repositioning of the right - sided PICC now in the mid SVC .