Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Redemonstrated is a pacemaker seen within the left anterior chest wall , with leads extending to the right atrium and right ventricle . There is hyperinflation of the lungs with flattening of the diaphragms , consistent with the patient 's known emphysema . There is appearant mild bronchiectasis seen within the left upper lobe . No focal consolidation , pleural effusion , pneumothorax , or pulmonary edema is identified . The heart is normal in size . Mediastinal contours are normal .
    OUTPUT:
    
Stable emphysematous changes . No radiographic evidence for acute cardiopulmonary process .