Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Frontal and lateral chest radiographs were obtained . Compared to prior study from ___ , there has been no significant interval change . Again appreciated is scarring at the left lung base . No focal consolidation , pleural effusion , pneumothorax , or pulmonary edema is seen . The heart size is normal . There is tortuosity of the thoracic aorta . No bony deformity is detected .
    OUTPUT:
    
Stable left lung base scarring , otherwise no radiographic evidence for acute cardiopulmonary process .