Hypodense shadow in the right lobe of the liver refers to the description of imaging examination of the liver, which is considered to be liver cysts, hepatic hemangioma, hepatocellular carcinoma, and other liver diseases. 1. Liver cysts: Liver cysts are mainly composed of bile, lymphatic fluid, blood and other components, and they can appear round or round-like low-density image when passing through the imaging examination, and they are usually benign lesions, and the clinical symptoms are usually not obvious. 2. Hepatic hemangioma: When CT scanning is done, round or round-like low-density foci with clear boundaries can be found in the liver parenchyma, and there is no clinical symptom when the hepatic hemangioma is small. 3. Hepatocellular carcinoma: when enhancing CT of the liver, round or irregular low-density shadow can be found in the right lobe of the liver, which can be single or multiple, and the border is usually unclear. It is often accompanied by abdominal distension, abdominal pain, loss of appetite, fatigue and other symptoms. 4. Other liver diseases: Uneven fatty liver, liver cysticercosis, etc. can also present with hypodense shadows on liver imaging. When hypodense shadow is found in the right lobe of the liver, it is necessary to go to the hospital in time to check the specific cause and treat it, so as not to delay the condition.