Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Patient is status post dual - chamber ICD revision and placement of new right ventricular lead . The new lead terminates in the anterior portion of the right ventricle in close proximity to the older lead . The right atrial lead is stable in position at the proximal right atrium . No pneumothorax is seen . Left basilar scarring is stable . The upper lungs are clear . No pleural effusions are seen . However is seen and appears unchanged in position when compared to ___ study . TAVR is seen and appears unchanged in position when compared to ___ study
    OUTPUT:
    
Patient is status post dual - chamber ICD revision and placement of new right ventricular lead which terminates in right ventricular apex with no pneumothorax .