Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Fully expanded lungs are clear with normal pleural surfaces . Heart size , mediastinal and hilar contours are normal .
    OUTPUT:
    
No radiographic evidence of pneumonia . Results were conveyed via telephone to Dr . ___ by Dr . ___ ___ on ___ at 2 :45 p .m . within five minutes of observation of findings .