Case Studies in Hepatology - Hardcoverby Idris Roberts (Editor) Hepatology is the branch of medicine that focuses on the study, diagnosis and treatment of diseases and disorders related to the liver, gallbladder, biliary tree and pancreas. The liver plays a crucial role in various metabolic processes and is responsible for producing bile, which helps in the breakdown and absorption of nutrients from food. Hepatology encompasses a wide range of liver related medical conditions, such as