This two-volume textbook provides a comprehensive review of both adult and pediatric gastrointestinal, hepatobiliary and pancreatic pathology. The 1st volume is dedicated to gastrointestinal tract pathology. The second volume of this book covers liver, biliary system, and pancreatic pathology. This book covers each aspect of gastrointestinal tract pathology in detail, including clinical presentation, endoscopic appearance, disease pathogenesis, gross and microscopic details of each lesion. Ancillary diagnostic methods, molecular subtypes, and prognostic workup have been detailed adequately. The book also covers diseases relevant to South-East Asia, in addition to diseases prevalent worldwide. It contains 24 chapters, categorized into four sections.