Below is an instruction from Human. Write a response.
    ### Instruction:
    What causes Myelodysplastic/myeloproliferative disease ?
    ### Response:
    What causes myelodysplastic/myeloproliferative disease? In most cases, the cause of myelodysplastic/myeloproliferative disease is unknown, and there is limited information regarding potential causes. No specific genetic defects have been identified for any of the diseases.
    