ADAR and neoplasm: Multivariate regression analysis indicated ADAR1 expression (HR = 1.651, 95%, p = 0.047),tumour grade (HR = 1.747, p = 0.024), tumour stage (HR = 3.193, p < 0.001), and tumour number (HR = 1.741, p = 0.025) as independent predictors of overall survival in iCCA patients (Figure 1F and Table 1).