Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: A right - sided PICC terminates within the right atrium and should be pulled back approximately 3 cm for appropriate positioning . Median sternotomy wires and clips are again demonstrated . Heart size is normal . The mediastinal and hilar contours are normal . The pulmonary vasculature is normal . Lungs are clear . No pleural effusion or pneumothorax is seen .
    OUTPUT:
    
Right - sided PICC terminates within the right atrium and should be pulled back approximately 3 cm for appropriate positioning .