Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: A portable frontal chest radiograph again demonstrates a right chest wall AICD / pacer device with leads overlying the right atrium and ventricle . The cardiac silhouette is accentuated by mildly low lung volumes and technique , again appearing mildly enlarged . There is no appreciable focal consolidation , pleural effusion , or pneumothorax . Pulmonary vasculature is not engorged . The visualized upper abdomen is unremarkable .
    OUTPUT:
    
No acute cardiopulmonary process .