Liver cancer is a malignant tumor that occurs in the liver and includes both primary liver cancer and metastatic liver cancer. Relatively speaking, the mortality and incidence rate of liver cancer is not low. So what factors may lead to the occurrence of liver cancer? Hepatitis B virus is the biggest hidden danger to induce liver cancer. The way hepatitis B virus triggers liver cancer is due to human infection with the virus, which is actively replicating in the body and causing damage to the liver, resulting in chronic hepatitis, which in turn leads to liver cirrhosis and then liver cancer. This process is relatively long, taking more than ten years. Secondly, biliary system diseases, such as hepatobiliary stones and hepatic schistosomiasis, can induce liver cancer. Although the etiology and pathogenesis of liver and biliary diseases are different, they affect each other at some levels and both may eventually lead to liver insufficiency and even chronic liver failure. Fatty liver can also lead to liver cancer, and the incidence is on the rise. Severe steatohepatitis can also lead to cirrhosis, which can eventually develop into liver cancer as well. Warm tips The early symptoms of liver disease are often atypical, so patients often delay the time of treatment. Physical examination is an effective means to detect liver disease in time, and ordinary people should undergo liver examination once a year. Hepatitis B virus carriers, cirrhosis patients, long-term alcoholics and those with mildly elevated AFP are high-risk groups for liver cancer, so even if they have no uncomfortable symptoms, they should have ultrasound and AFP examination once every six months.