There are many reasons for liver cancer upper abdomen lump, common ones are liver cancer lesion, lymph node metastasis and splenomegaly. 1. Liver cancer foci: with the development of disease, the size of tumor is getting bigger and bigger, and the size of liver will increase accordingly, and a raised lump can be touched in the right upper abdomen. 2. Lymph node metastasis: Liver cancer in advanced stage is often accompanied by lymph node metastasis, and if it is transferred to abdominal lymph nodes, a lump can be touched in the upper abdomen. It can also metastasize to other organs and cause metastatic gastric cancer, intestinal cancer and so on. Lumps can also be touched in the upper abdomen. 3. Splenomegaly: Portal hypertension caused by advanced cirrhosis and liver cancer can lead to stagnation of superior vena cava, which can lead to splenic stagnation and cause splenomegaly, and the lump can be touched in the left upper abdomen. When liver cancer discovers a lump in the upper abdomen, it should be examined in time and take corresponding treatment measures under the guidance of doctor for individual condition.