The main dangers of hepatic malformation tumor include causing physical discomfort to the patient and life-threatening in severe cases. Hepatic malformation is a benign congenital tumor of the liver that grows slowly. Its growth rate is slow. The main hazards include physical discomfort and life-threatening in serious cases: 1. Early stage of hepatic malformation tumor may not have any symptom, with the enlargement of the tumor, hard mass can be found in the upper abdomen, which can move up and down with breathing, and the compression of neighboring organs may cause abdominal distension, nausea, vomiting, loss of appetite, constipation, dyspnea, jaundice, etc. In severe cases, the patient may suffer from respiratory distress and jaundice, which may lead to the death of the patient. 2. Severe cases may have obvious respiratory difficulty or even respiratory distress, which may be life-threatening if not treated in time. If liver malformation tumor is found, one should actively seek medical treatment, and it can be cured through timely treatment without affecting normal life.