Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: A right - sided PICC line terminates in the uppermost atrium . A pacer device appears unchanged . The cardiac , mediastinal and hilar contours are stable . There is similar slight relative elevation of the left hemidiaphragm compared to the right . The lungs are clear . There are no pleural effusions or pneumothorax . Surgical clips again project over the right upper quadrant . The bony structures appear within normal limits .
    OUTPUT:
    
No evidence of acute disease .