Fig. 1From: Overexpression of POLA2 in hepatocellular carcinoma is involved in immune infiltration and predicts a poor prognosisExpression analysis of POLA1 and POLA2 in HCC from TCGA database. The POLA1 expression in HCC and normal liver tissues (total samples in A; paired samples in B); The POLA2 expression in HCC and normal liver tissues (total samples in C, paired samples in D); Expression analyzed by Kruskal–Wallis test and “rainclouds” package for POLA1 (E) and POLA2 (F) in HCC patients with different clinicopathologic stagesBack to article page