Pre-transplant evaluation, Living donor liver transplant, Post-transplant long-term care, Liver transplant, Hepatopulmo...nary syndrome, Portal hypertension, Cirrhosis, Primary sclerosing cholangitis, Hepatocellular carcinoma, Liver problems, Primary biliary cholangitis, Nonalcoholic fatty liver disease, Cholangiocarcinoma, Acute liver failure, Liver cancer, Alcoholic hepatitis