Below is an instruction from Human. Write a response.
    ### Instruction:
    What are the stages of Uterine Sarcoma ?
    ### Response:
    Key Points
                    -  After uterine sarcoma has been diagnosed, tests are done to find out if cancer cells have spread within the uterus or to other parts of the body.     - Uterine sarcoma may be diagnosed, staged, and treated in the same surgery.
    