Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Left - sided dual - chamber pacemaker / AICD device is re - demonstrated with leads in unchanged positions . Mild enlargement of cardiac silhouette is again noted . The aortic knob is calcified . The mediastinal and hilar contours are unremarkable . Pulmonary vasculature is normal . Scarring is seen in the right lung base with tenting of the right hemidiaphragm . No focal consolidation , pleural effusion or pneumothorax is present . Lungs remain hyperinflated . No acute osseous abnormality is detected .
    OUTPUT:
    
No acute cardiopulmonary abnormality .