Below is an instruction from Human. Write a response.
    ### Instruction:
    What is (are) Von Hippel-Lindau Disease (VHL) ?
    ### Response:
    von Hippel-Lindau disease (VHL) is a rare, genetic multi-system disorder in which non-cancerous tumors grow in certain parts of the body. Slow-growing hemgioblastomas -- benign tumors with many blood vessels -- may develop in the brain, spinal cord, the retinas of the eyes, and near the inner ear.
    