Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Frontal and lateral chest radiographs were obtained . Blunting of the left costophrenic angle , left pleural thickening and left hemidiaphragm elevation are unchanged from prior exams . The lungs are otherwise clear . Heart and mediastinal contours are normal . Leads of a dual - chamber pacemaker terminate in appropriate locations . Left basilar scarring is unchanged .
    OUTPUT:
    
No acute cardiopulmonary process .