Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: No significant change in small hiatal hernia . Clear lungs bilaterally without pleural effusion or pneumothorax . Heart size , mediastinal contour and hila are normal . No bony abnormality .
    OUTPUT:
    
1 . No significant change in small hiatal hernia . 2 . No pulmonary edema or pneumonia . Results were conveyed via telephoned to Dr . ___ by Dr . ___ on ___ at 2 :30 p .m . within 10 minutes of observation of findings .