ABO and hepatocellular carcinoma: The association between ABO blood type and the risk of multiple malignancies has been reported and includes HCC) (Peng et al., 2016; Song et al., 2013; Engin et al., 2012; Zhou et al., 2015; Cao et al., 2014; Zhou et al., 2015; Iavarone et al., 2016; Shim et al., 2015).