Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: A central venous catheter terminates at the cavoatrial junction . The heart is normal in size . The mediastinal and hilar contours appear within normal limits . There is no pleural effusion or pneumothorax . The right hemidiaphragm remains mildly elevated compared to the left . The lungs appear clear . There is again widening of the left acromioclavicular joint with small ossifications about the left shoulder .
    OUTPUT:
    
No evidence of acute cardiopulmonary disease .