Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: A dual lead pacemaker is in - situ . There is a cardiac vascular stent positioned at the level of the aortic valve . No pneumothorax seen . There is mild linear right - sided atelectasis , new when compared to the prior study . No consolidation or pneumothorax seen . No evidence of pulmonary edema . There is unchanged mild cardiomegaly .
    OUTPUT:
    
No pneumothorax seen . Expected appearances of a dual lead pacemaker .