Below is an instruction from Human. Write a response.
    ### Instruction:
    What are the symptoms of Multiple endocrine neoplasia type 1 ?
    ### Response:
    What are the signs and symptoms of Multiple endocrine neoplasia type 1? Multiple endocrine neoplasia, type 1 (MEN1) is characterized primarily by several different types of endocrine tumors. People affected by MEN1 typically develop tumors of the parathyroid gland, the pituitary gland, and the pancreas, although other glands may be involved as well.
    