Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The lungs are clear . The cardiomediastinal silhouette is stable . There is no effusion are pneumothorax . Right - sided dual - lumen central venous catheter seen with distal tip in the upper SVC .
    OUTPUT:
    
Right - sided dual - lumen central venous catheter with distal tip in the upper SVC .