Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: AP upright and lateral views of the chest were obtained . Heart is normal size and cardiomediastinal contour is unremarkable . Persistent prominence of the right hilum is unchanged and could represent lymphadenopathy in that region . Lungs are notable for mild plate - like retrocardiac atelectasis , otherwise clear . There is no pleural effusion . No pneumothorax . Thoracolumbar scoliosis noted .
    OUTPUT:
    
No substantial change from prior .