Below is an instruction from Human. Write a response.
    ### Instruction:
    What to do for What I need to know about Cirrhosis ?
    ### Response:
    - Cirrhosis is scarring of the liver. Scar tissue replaces healthy liver tissue.  - Some common causes of cirrhosis include heavy alcohol use, hepatitis infections, and nonalcoholic fatty liver disease.  - In the early stages of cirrhosis, you may have no symptoms.
    