A 70-year-old man with an egg-sized growth on his liver is considered to have hepatic hemangioma, hepatic cyst, primary liver cancer and other diseases. 1. Hepatic hemangioma: it is a benign tumor of liver caused by abnormal development of blood vessels during embryonic development, usually without obvious symptoms, some patients may have abdominal mass and abdominal discomfort. 2. Liver cyst: it is a cystic disease that occurs in the liver, with no obvious symptoms in the early stage, but when the cyst is large, it can cause abdominal pain, abdominal distension and other symptoms, and part of the patients can also touch the abdominal mass. 3. Primary hepatocellular carcinoma: it is a malignant tumor of liver, with no obvious symptoms in early stage, but after the disease progresses, it may have symptoms such as emaciation, fatigue and pain in liver area. Elderly people in their 70s who have an egg-sized growth on their liver are recommended to go to the hospital and ask the doctor to make a diagnosis.