Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Triple lead left - sided pacer device is seen with leads extending to the expected positions of the right new atrium , right ventricle , and coronary sinus unchanged since the prior study . The lungs are clear without focal consolidation . No pleural effusion or pneumothorax is seen . The cardiac and mediastinal silhouettes are unremarkable .
    OUTPUT:
    
No acute cardiopulmonary process .