Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: A right - sided PICC line can be followed up to the confluence of the brachiocephalic veins with the superior vena cava , somewhat more proximal than before . The cardiac , mediastinal , and hilar contours appear unchanged . The lungs appear clear . There is mild leftward convex curvature centered along the lower thoracic spine as before . Bony structures are otherwise unremarkable .
    OUTPUT:
    
PICC line terminating at the brachiocephalic confluence . No evidence of acute disease .