Below is an instruction from Human. Write a response.
    ### Instruction:
    What is (are) DICER1 syndrome ?
    ### Response:
    DICER1 syndrome is an inherited disorder that increases the risk of a variety of cancerous and noncancerous (benign) tumors, most commonly certain types of tumors that occur in the lungs, kidneys, ovaries, and thyroid (a butterfly-shaped gland in the lower neck).
    