CTNNB1 and hepatocellular carcinoma: Thirty‐one exons covering 17 kb in nine genes considered as mutation hotspots in HCC were analyzed: ARID2 (OMIM #609539), AXIN1(OMIM #603816), BRAF (OMIM #164757), CTNNB1 (OMIM #116806), NFE2L2 (OMIM #600492), H‐RAS (OMIM #190020) K‐RAS (OMIM #190070), N‐RAS (OMIM #164790), and TP53 (OMIM #191170) (Marchio et al., 2014).