Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Lungs are well expanded bilaterally and clear . No lesions , pleural effusion , or pneumothorax are identified . There is mild tortuosity of the thoracic aorta . Otherwise , cardiomediastinal silhouette is within normal limits and unchanged . Pleural surfaces are unremarkable .
    OUTPUT:
    
No evidence of pneumonia . These findings were reported to Dr . ___ ___ phone at 8 :45 p .m . by ___ ___ .