Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Frontal and lateral radiographs of the chest demonstrate well expanded , clear lungs . The cardiomediastinal and hilar contours are unremarkable . There is no pneumothorax , pleural effusion , or consolidation . No evidence of hiatal hernia recurrence ; the top of gastric air bubble is seen below the left hemidiaphragm .
    OUTPUT:
    
No evidence of hiatal hernia recurrence .