Below is an instruction from Human. Write a response.
    ### Instruction:
    What are the stages of Childhood Brain Stem Glioma ?
    ### Response:
    Key Points
                    - The plan for cancer treatment depends on whether the tumor is in one area of the brain or has spread all through the brain.
                
                
                    The plan for cancer treatment depends on whether the tumor is in one area of the brain or has spread all through the brain.
    