Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The lungs are well expanded . Streaky opacities in the left lower lobe , better seen in the lateral view , is unchanged in appearance from the previous exam , may relate to chronic scarring or combination of minimal bronchiectasis / fibrosis and vascular prominence . Otherwise no focal opacities are seen throughout both lungs . Cardiomediastinal and hilar contours are unremarkable . There is no pleural effusion or pneumothorax .
    OUTPUT:
    
No evidence of acute cardiopulmonary process . No significant change from the prior exam .