Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: PA and lateral views of the chest are provided . Dialysis catheter is again noted with its tip extending to the low SVC . Lungs are clear without focal consolidation , effusion , or pneumothorax . The heart is normal in size . Mediastinal contour is normal . Bony structures are intact .
    OUTPUT:
    
Normal chest radiograph . Dialysis catheter unchanged in appropriate position .