Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: There has been no significant interval change since the radiograph from 13 : 20 from the same day . Lung volumes are somewhat low . There is a left pectoral cardiac pacing device with its leads projecting over the region of the right atrium and right ventricle . The cardiac silhouette is mildly prominent . Calcifications are again noted along the aortic arch . The lungs are clear without focal consolidation , pleural effusion or pneumothorax . There is no pulmonary edema . Bony structures appear intact .
    OUTPUT:
    
No acute cardiopulmonary process .