Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Lungs are well inflated and clear bilaterally with no masses , lesions , pleural effusion , or pneumothorax . Pleural surfaces are unremarkable . Stable degenerative changes of the thoracic spine are noted .
    OUTPUT:
    
No evidence of infection or malignancy . These results were reported to Dr . ___ at 1 :27 p .m . via phone by ___ .