Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: In comparison to prior radiograph , the left - sided central line has been retracted and now the tip is located at the confluence of the right and left subclavian and left brachiocephalic . Lung volumes are relatively low . Cardiomediastinal silhouette and hilar contours appear unremarkable . No focal opacities are noted to be concerning for an infectious process . There is no pneumothorax . The bones are intact .
    OUTPUT:
    
Retracted central line as described above . Otherwise , no acute cardiopulmonary process .