Below is an instruction from Human. Write a response.
    ### Instruction:
    What is (are) Wandering spleen ?
    ### Response:
    Wandering spleen is a rare condition that occurs when the spleen lacks one or more of the ligments that hold the spleen in its normal position in the upper left abdomen. If a person is born with this condition it is referred to as congenital wandering spleen.
    