Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Right PICC terminates in the mid superior vena cava . The patient is status post previous median sternotomy and coronary artery bypass surgery with stable appearance of the sternotomy site and unchanged cardiomediastinal contours . Focal linear scarring is noted in the left mid and lower lung . No new areas of consolidation or atelectasis .
    OUTPUT:
    
Right PICC terminates in mid superior vena cava .