Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The left pectoral transvenous cardiac pacemaker is positioned with tips terminating in the right atrium , right ventricle , and left ventricle . No pneumothorax . The lungs are clear . The hila and pulmonary vasculatures are normal . No pleural effusion . The cardiomediastinal silhouette is normal . No fractures .
    OUTPUT:
    
The left pectoral transvenous cardiac pacemaker is positioned with tips terminating in the right atrium , right ventricle , and left ventricles . Otherwise normal chest radiograph .