Most liver cancers have no obvious symptoms in the early stages, and most are diagnosed in the middle or late stages. Nevertheless, some atypical symptoms can indicate the possibility of liver cancer and help detect liver cancer early. The main points are as follows: 1. Atypical gastrointestinal symptoms: including loss of appetite, fullness in the upper abdomen after meals, or belching and vomiting , indigestion, nausea, etc. Among them, loss of appetite and bloating are the most common, and they are easily mistaken for ordinary stomach problems and ignored. 2. Pain in the liver area: It is the most direct and obvious symptom for patients with liver cancer. Especially for patients with hepatitis or cirrhosis, the probability of pain in the liver area is more than 50%. It is usually pain near the lower right side, and most of it is intermittent. Swelling and pain. 3. Unexplained weight loss: It is also one of the early typical symptoms of liver cancer patients. If you lose ten pounds in a month without deliberately losing weight, you should suspect that cancer cells may be causing trouble. 4. Fever: A considerable number of liver cancer patients will have symptoms such as fever and sweating in the early stage. Most of them have moderate to low fever. A few patients may have high fever, that is, above 39°C, generally without chills. The fever caused by liver cancer is mostly cancerous fever. This is because the tumor tissue releases pyrogen into the blood circulation after necrosis. Due to low resistance, tumor patients are prone to infection and may also develop fever. Sometimes it is not easy to distinguish from cancerous fever of liver cancer. The judgment must be combined with blood pictures and observation of whether antibacterial treatment is effective.