Undifferentiated carcinoma of liver and intrahepatic biliary tract

Definition

Undifferentiated carcinoma of liver and intrahepatic biliary tract is an extremely rare epithelial tumor of the liver and biliary tract which presents heterogenous histological findings and not yet fully defined clinicopathological characterisitcs. Patients usually present with nonspecific signs and symptoms, such as abdominal pain, nausea, vomiting, anorexia, weight loss and/or jaundice. Invasive growth, high metastatic potential and a rapid clinical course are typically associated.