Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: There is minimal scarring in the lateral aspect of the right mid lung . The lungs are otherwise clear . The heart size is normal . The mediastinal contours are normal . There are no pleural effusions . No pneumothorax is seen . There is re-demonstration of a left - sided pacemaker with unchanged positioning of right atrial and right ventricular leads .
    OUTPUT:
    
No acute cardiac or pulmonary process .