Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The heart is normal in size . Similar small calcified lymph nodes are noted along each hilum and the aortopulmonary window . The mediastinal and hilar contours appear otherwise within normal limits . The lungs are clear . There are no pleural effusions or pneumothorax . The bony structures are unremarkable .
    OUTPUT:
    
No evidence of acute disease .