Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: A left - sided intracardiac device projects leads into the right atrium and ventricle . There is no pneumothorax or pleural effusion . The heart size is normal . The hilar and mediastinal contours are within normal limits .
    OUTPUT:
    
Left - sided intracardiac device projecting leads into the right atrium and ventricle . No pneumothorax .