研究目的:
China is a high-risk area of Hepatocellular Carcinoma (HCC). Although Chinese population accounts for 18.4% of the global population, the number of new HCC patients accounting for about half of the global, which seriously threatens the lives and health of the people. The investigators establish multi-center, retrospective research methods, collecting the data of HCC treatment with system treatment (ICIs and TKIs) plus or without local treatment in the last 3 years, comprehensive assessment of their efficacy and safety, explore whether the efficacy of system treatment combination local treatment showed better effect compared with system or local monotherapy. Our study will find a new way to improve the prognosis of HCC patients.