Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The newly placed left internal jugular venous catheter tip projects over the expected region of the low SVC . No focal pneumonia , pneumothorax , effusion , or edema . Heart size is normal . Mediastinum is not widened . Overall , no significant change other than IJ placement . Lung volumes are low .
    OUTPUT:
    
Newly placed left IJ catheter tip projects over the expected region of the low SVC . Otherwise , no significant change .