Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: A single - lead pacemaker device appears unchanged . There is also a large bore central venous catheter terminating in the upper right atrium . Similar streaky opacities in the left lower lobe with mild volume loss suggest atelectasis . The lungs appear otherwise clear . There is no pleural effusion or pneumothorax . There has been no definite change .
    OUTPUT:
    
No evidence of acute cardiopulmonary disease .