Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: A right - sided PICC line terminates in the superior vena cava , as before . A drainage catheter also projects over the right upper quadrant . The cardiac , mediastinal and hilar contours appear unchanged . There is no pleural effusion or pneumothorax . The lungs appear clear . Mild relative elevation of the right hemidiaphragm is unchanged . Mild degenerative changes are similar along the thoracic spine .
    OUTPUT:
    
No evidence of acute disease .