Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Examination is limited secondary to portable technique and likely motion . Right chest wall port is no longer visualized . Right PICC is seen though the tip can not be delineated past the level of the right brachiocephalic . Lungs are grossly clear . Left humeral head anchor is noted .
    OUTPUT:
    
Limited exam . Right PICC tip is not definitively identified . Repeat should be considered .