Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Compared to the prior radiograph , no significant change . A right - sided central venous catheter is unchanged , with its tip projecting over the cavoatrial junction . No focal consolidation , pleural effusion , or pneumothorax is identified . Cardiomediastinal and hilar contours are unchanged .
    OUTPUT:
    
No acute cardiopulmonary process . Unchanged positioning of the right - sided central venous catheter .