Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Frontal and lateral chest radiographs again demonstrate a left chest wall pacer device with the leads overlying the right atrium and ventricle , unchanged in position . There is a normal cardiomediastinal silhouette and well - aerated lungs which are clear . No focal consolidation , pleural effusion , or pneumothorax is seen . The visualized upper abdomen is unremarkable .
    OUTPUT:
    
No acute cardiopulmonary process .