Hepatocellular carcinoma is a typical hypervascular tumor and intratumor MVD is an important prognostic factor for HCC patients.

• 前言 肝细胞癌（Hepatocellular Carcinoma, HCC）是典型的多血管肿瘤，肿瘤微血管密度（microvessel density，MVD）是肝癌重要的预后指标。