Early liver cancer liver function test can be completely normal, because liver cells are not destroyed in large amount, liver tumor is relatively small and there is no obvious cirrhosis, so the test can be completely normal. Hepatocellular carcinoma is malignant tumor of liver, early lung cancer liver function test may be completely normal, because stem cells are not destroyed in large amount, so liver transaminase and bilirubin are possible for completely normal state, and it is necessary to judge whether there is hepatocellular carcinoma or not by ultrasound, MRI, ultrasound and other examination methods. Liver cancer is categorized into primary and secondary. Early stage liver cancer usually has no obvious symptoms, and some people may have symptoms such as pain in liver area, nausea, vomiting, fever, etc. Early stage can be treated by surgical resection, while late stage can only be treated by radiotherapy and chemotherapy to alleviate the symptoms and prolong the survival period. If liver cancer is suspected, further examination should be conducted for early detection and early treatment.