Once a liver has developed cirrhosis, there is no way to reverse the damage. The only "cure" for cirrhosis is liver transplant.

No. Cirrhosis is a degeneration of cells, leading to impaired liver function and liver damage.

Where as a liver abscess is an accumulation of pus.

Yes, cirrhosis is the last stage of liver failure (after "fibrosis").

Cirrhosis and nodular cirrhosis can cause a small liver. Cirrhosis can be caused by alcohol abuse, hepatitis B and C, fatty liver disease, or something else.

The liver. Cirrhosis of the liver is often caused by excessive alcohol use.