AFP and hepatocellular carcinoma: According to Child‐Pugh class, patients with HCC were divided into class A, B, and C. The results indicated that the AFP level of class C patients was obviously higher than that of class A patients, while the LINC00941 and LINC00514 levels showed no difference in different liver function grades, and LINC00514 showed a trend of progressive decrease in different grades (Figure 2D–F).