Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The heart size is normal . The aortic knob calcifications are re- demonstrated . The mediastinal contours are unchanged with a moderate to large hiatal hernia again noted . Pulmonary vascularity is normal . The hilar contours are stable . Eventration of the right hemidiaphragm is again noted . Mild bibasilar atelectasis is present . There is no focal consolidation , pleural effusion or pneumothorax . No acute osseous abnormalities are visualized .
    OUTPUT:
    
No evidence for pneumonia . Moderate to large hiatal hernia .