Below is an instruction from Human. Write a response.
    ### Instruction:
    What is (are) Congenital hepatic fibrosis ?
    ### Response:
    Congenital hepatic fibrosis is a rare disease of the liver that is present at birth. Symptoms include the following: a large liver, a large spleen, gastrointestinal bleeding caused by varices, increased pressure in the blood vessels that carry blood to the liver (portal hypertension), and scar tissue in the liver (fibrosis).
    