Below is an instruction from Human. Write a response.
    ### Instruction:
    What are the stages of Childhood Central Nervous System Atypical Teratoid/Rhabdoid Tumor ?
    ### Response:
    Key Points
                    - There is no standard staging system for central nervous system atypical teratoid/rhabdoid tumor.
                
                
                    There is no standard staging system for central nervous system atypical teratoid/rhabdoid tumor.
    