Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Compared with prior examination , there has been minimal interval change . Redemonstrated is the unchanged appearance and positioning of both a right internal jugular and a left subclavian central venous line . Again seen is the stable appearance of bibasilar scarring . There is no focal consolidation , pleural effusion , pneumothorax , or pulmonary edema identified . The heart size is normal . Mediastinal contours are normal .
    OUTPUT:
    
No radiographic evidence for acute cardiopulmonary process .