Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Redemonstrated is a VP shunt is seen coursing anteriorly . As compared to ___ , there has been no significant interval change . There is a stable , tiny residual right apical pneumothorax . The lungs are otherwise clear . The heart size is normal . Mediastinal contours are normal . No bony abnormality is detected .
    OUTPUT:
    
Tiny , residual right apical pneumothorax .