Johns Hopkins hepato-pancreato-biliary surgeon Dr. Richard Burkhart answers frequently asked questions about treating benign and malignant liver tumors. Learn more at hopkinsmedicine.org/liver_tumor_center. Questions Answered: 0:01 What are the most common types of benign liver tumors? 0:33 What causes benign liver tumors? 1:10 How are benign liver tumors treated? 1:55 What is the difference between a benign liver tumor and a malignant liver tumor? 2:27 How are benign and malignant liver tumors treated differently?