Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The lungs are well expanded and clear . There is no focal consolidation to suggest pneumonia . There is no pleural effusion or pneumothorax . Hilar and cardiomediastinal contours are unchanged , with stable positioning of the median sternotomy wires and surgical clips . A small hiatus hernia is noted . There is no pulmonary vascular congestion or edema . The thoracic aorta is mildly unfolded . There is mild thoracic spondylosis .
    OUTPUT:
    
No evidence of pneumonia . Small hiatal hernia .