Below is an instruction from Human. Write a response.
    ### Instruction:
    What are the symptoms of Intravenous leiomyomatosis ?
    ### Response:
    What are the signs and symptoms of intravenous leiomyomatosis? IVL most often does not cause detectable signs or symptoms. In fact, they may be found by chance during surgery. When symptoms do arise, they can include abnormal uterine bleeding, lower abdominal tenderness, ad venous thrombosis.
    