Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: There is a left pectoral pacemaker with leads terminating in the right atrium and right ventricle . There is no evidence of an acute fracture . There is no pneumothorax . Patient is status post a right lower lobectomy with persistent scarring seen at the right lung base . The lungs are hyperinflated . There is a small left pleural effusion . There is no focal airspace consolidation . Cardiac silhouette and mediastinal contours are normal . A calcified aorta is noted .
    OUTPUT:
    
Satisfactory appearance of the left pacemaker without a pneumothorax .