Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The cardiomediastinal and hilar contours are within normal limits . There is mild hyperexpansion of the lungs , raising the possibility of chronic pulmonary disease . There are no focal consolidations , pleural effusions or pneumothorax .
    OUTPUT:
    
No radiographic evidence of an acute cardiopulmonary process . These findings were discussed with ___ by ___ via telephone on ___ at 4 :45 p .m . , at time of discovery .