MDM2 and breast cancer: In the East Asian population TT: 0.200, GG: 0.276,GT: 0.524 (http://www.ensembl.org/).The MDM2 SNP309polymorphism was also found to increase the risk of colorectalcancer (Qin et al., 2013), breast cancer (Cheng et al., 2012) andliver cancer (Tang et al., 2014).