Below is an instruction from Human. Write a response.
    ### Instruction:
    What is (are) Childhood Central Nervous System Atypical Teratoid/Rhabdoid Tumor ?
    ### Response:
    Key Points
                    - Central nervous system atypical teratoid/rhabdoid tumor is a disease in which malignant (cancer) cells form in the tissues of the brain.    - Certain genetic changes may increase the risk of atypical teratoid/rhabdoid tumor.
    