Below is an instruction from Human. Write a response.
    ### Instruction:
    What is the outlook for Plasma Cell Neoplasms (Including Multiple Myeloma) ?
    ### Response:
    Certain factors affect prognosis (chance of recovery) and treatment options. The prognosis (chance of recovery) depends on the following:         - The type of plasma cell neoplasm.    - The stage of the disease.    - Whether a certain immunoglobulin (antibody) is present.
    