Hepatocellular carcinoma (HCC), the seventh most common malignancy in the world, can cause deaths of approximately 780,000 patients each year. Although a large number of studies have been conducted for a long time, the current treatment level of HCC is very limited, and many treatments are only effective for early HCC. However, most HCC are diagnosed in the advanced stage. Usually, patients with advanced stage have extrahepatic metastasis. This metastasis is not a random process....