Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The cardiac , mediastinal and hilar contours appear stable . There is again mild - to - moderate relative elevation of the right hemidiaphragm . The only change is a streaky right mid lung opacity , suggesting minor atelectasis . A central venous catheter terminates in the lower superior vena cava .
    OUTPUT:
    
No evidence of acute disease .