Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Cardiomediastinal contours are within normal limits . Lungs and pleural surfaces are clear . Lateral chest radiograph is somewhat limited by suboptimal positioning of the patient 's arms , preventing assessment of the normally clear retrosternal space . VP shunt is more fully evaluated on the prior dedicated shunt series under clip ___ . Scoliosis is noted .
    OUTPUT:
    
1 . No radiographic evidence of acute aspiration or pneumonia . 2 . Limited lateral radiograph , which could be repeated at no additional charge to the patient if warranted clinically .