Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Frontal and lateral views of the chest were obtained . Dual - lead left - sided AICD is again seen with the leads extending to the expected positions of the right atrium and right ventricle . Left lower lobe linear atelectasis / scarring is again seen . Cardiac , mediastinal , and hilar contours are stable .
    OUTPUT:
    
No significant interval change .