Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The cardiac silhouette is mildly enlarged with tortuosity of the thoracic aorta . Hilar contours are unremarkable . Linear opacities in the right mid lung field likely represent focal scarring . Lungs are otherwise clear . Pleural surfaces are clear without effusion or pneumothorax .
    OUTPUT:
    
No acute cardiopulmonary abnormality . hyperinf