Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Lung volumes are slightly low . No focal consolidation , pleural effusion , or pneumothorax is seen . The heart size is top normal , although may be exaggerated by low lung volumes . Aortic tortuosity is seen . The mediastinal contours are otherwise unremarkable . Apical pleural scarring is again noted .
    OUTPUT:
    
No radiographic evidence for acute process .