Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: PA and lateral views of the chest . Large hiatal hernia is again seen . The lungs are clear . There is no evidence of pneumonia . The heart , mediastinum and hilar contours are normal . No pleural effusion or pneumothorax .
    OUTPUT:
    
No evidence of pneumonia . These findings were discussed with Dr . ___ at 3 : 00 pm on ___ by telephone .