RBM15B and hepatocellular carcinoma: Subsequently, we further analysed the relationship between RBM15B expression and the clinicopathological characteristics of HCC patients, and the results showed that RBM15B expression was significantly correlated with tumor size (P=0.0111), tumour-node-metastasis (TNM) stage (P=0.0436) and portal vein tumor thrombosis (PVTT) stage (P=0.0070) (Table 1).