肝癌 Child-pugh分期系統 Okuda分期系統 TNM分期系統 CLIP分期系統 BCLC分期系統 JIS分期系統 末期肝硬化模式 Hepatocellular carcinoma HCC Child-Pugh staging system Okuda staging system Tumor, node, Metastasis stage system Cancer of the liver italian program score Barcelona clinic liver cancer classification Japan integrated score) Model for end-stage liver disease MELD