Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Left - sided PICC is not seen beyond the left brachiocephalic vein / proximal subclavian vein , and is high in position . Patchy bibasilar opacities may be due to atelectasis , aspiration , early infectious process not excluded . No pleural effusion or pneumothorax . Cardiac and mediastinal silhouettes are unremarkable . Hilar contours are stable .
    OUTPUT:
    
Left - sided PICC is not seen beyond the left brachiocephalic vein / proximal subclavian vein , and is high in position .