Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The lungs are well expanded without focal consolidation . Lateral left upper lobe scarring / chronic osseous change is stable since ___ . Cardiomediastinal and hilar contours are unremarkable . The aorta appears tortuous . Apparent prominence of the ascending aorta compared with the recent chest radiograph is likely due to a slight difference in position , and is unchanged from scout views obtained during chest CTA performed in ___ . No cardiomegaly is present . There is no pleural effusion or pneumothorax . No rib fractures are identified .
    OUTPUT:
    
No acute cardiopulmonary process . No displaced rib fracture seen . If high clinical concern , consider chest CT or dedicated rib series .