Hepatitis C (HCV) is the most common form of viral hepatitis. Hepatitis is inflammation or swelling of the liver. If a person has symptoms (many do not), often it is like symptoms of the flu.
Nonalcoholic steatohepatitis, or NASH, is a more severe form of nonalcoholic fatty liver disease. With NASH, fat in your liver causes inflammation, called hepatitis, and liver cell damage.
Cirrhosis is permanent damage to the liver by chronic diseases, such as viral hepatitis, NAFLD or long-term alcohol abuse.