Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Compared to the prior study , the left internal jugular approach Swan Ganz catheter and left chest wall pulse generator with single lead terminating in the right ventricle are unchanged in position . A left ventricular assist device is again seen . Intact median sternotomy wires are present . The heart is mildly enlarged , but stable compared to the prior study . There is no pneumothorax or pleural effusion . Left basilar atelectasis is unchanged compared to the prior study .
    OUTPUT:
    
Overall , no significant change in appearance of the chest since the prior study .