Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: A right internal jugular double - lumen hemodialysis catheter is present , ending in the right atrium . The size of the cardiac silhouette is at the upper limits of normal . The mediastinum is normal . The lungs are clear without consolidation or pulmonary edema . There is no evidence of active or old tuberculosis . There is no pleural effusion or pneumothorax .
    OUTPUT:
    
No evidence of recent or non-recent tuberculosis .