Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The cardiac , mediastinal and hilar contours appear stable . There is again a large hiatal hernia . There is no definite pleural effusion or pneumothorax . The lungs appear clear . There is again moderate elevation of the right hemidiaphragm . The bones appear demineralized . A probably unchanged compression deformity of L2 is partly visualized .
    OUTPUT:
    
No evidence of acute disease . Large hiatal hernia .