Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Upright PA and lateral views of the chest were reviewed and compared to the prior study . A left anterior axillary bielectrode pacemaker has intracavitary electrodes , the first in position compatible with the right atrial appendage and the second lead in position compatible with the apical portion of the right ventricle . Mild cardiomegaly is unchanged and the mediastinal contours are within normal limits . There is no vascular congestion , pulmonary edema , pleural effusion or pneumothorax . There are no concerning osseous or soft tissue lesions .
    OUTPUT:
    
New left axillary bielectrode pacemaker with the first lead in position compatible with the right atrial appendage and the second lead in position compatible with the apical portion of the right ventricle . Unchanged mild cardiomegaly . No pneumothorax .