Below is an instruction from Human. Write a response.
    ### Instruction:
    What causes Adenoid cystic carcinoma ?
    ### Response:
    What causes adenoid cystic carcinoma? The underlying cause of adenoid cystic carcinoma (ACC) is not yet known, and no strong genetic or environmental risk factors specific to ACC have been identified. Researchers believe that a combination of various genetic and environmental factors probably interact to ultimately cause a person to develop specific types of cancers.
    