Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Left transvenous pacemaker leads terminate in right atrium and right ventricle . No pneumothorax . The lungs are clear . Hila and pulmonary vasculature are normal . No pleural effusions . Cardiomediastinal silhouette is normal and unchanged .
    OUTPUT:
    
Pacer leads terminating in right atrium right ventricle . No acute cardiopulmonary process .