Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Left - sided AICD / pacemaker device is noted with leads terminating in the right atrium , right ventricle , and coronary sinus , unchanged . Mild enlargement of the cardiac silhouette is stable , with aortic knob calcifications re-demonstrated . The pulmonary vascularity is normal , and the lungs are clear . No pleural effusion or pneumothorax is present . There are mild degenerative changes in the thoracic spine with anterior bridging osteophytes .
    OUTPUT:
    
No acute cardiopulmonary abnormality .