Nodular dense shadow in the liver can be seen in a variety of diseases, such as liver cysts, hepatic hemangioma and liver cancer. 1. Liver cyst: It is a benign liver disease, which can be caused by developmental abnormality, hepatic cysticercosis and other factors. The main symptoms can be seen as abdominal distension and abdominal discomfort. Imaging examination shows double-walled cystic structure, cystic soft nodules, etc. 2. Hepatic hemangioma: it is a kind of benign liver tumor, which can be caused by developmental abnormality, hormone level change and other factors. The main symptoms can be seen as abdominal mass, nausea and vomiting. Imaging examination shows nodular dense shadow in the liver, accompanied by hypoechoic occupancy. 3. Hepatocellular carcinoma: It is a kind of malignant tumor occurring in the liver, which can be caused by alcohol consumption and viral hepatitis. The main symptoms can be seen as loss of appetite, abdominal distension and diarrhea. Imaging examination shows nodular dense shadow in the liver, which is characterized by fast in and fast out. If you have nodular dense shadow in the liver, you should go to the hospital in time for further hospital related examination, in order to clarify the cause of the disease, and actively cooperate with the doctor’s treatment.