Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: A right - sided double - lumen dialysis catheter is again identified . The tip terminates at the cavoatrial junction . The cardiomediastinal silhouette is unchanged and unremarkable . There is no pleural effusion or pneumothorax . No definite consolidation is identified .
    OUTPUT:
    
Unchanged position of dialysis catheter tip .