“…Previous studies have revealed an association between the CHEK2 I157T variant and cancer susceptibility. However, the results were conflicting, including an increased risk (Cybulski et al, 2004a(Cybulski et al, , 2004b(Cybulski et al, , 2007a(Cybulski et al, , 2007bKilpivaara et al, 2004Kilpivaara et al, , 2006Bogdanova et al, 2005;Irmejs et al, 2006;Kleibl et al, 2009;Serrano-Fernandez et al, 2009;Havranek et al, 2011;Domagala et al, 2012), a reduced risk , and no association (Dufault et al, 2004;Debniak et al, 2008;Kleibl et al, 2008;Konstantinova et al, 2009Konstantinova et al, , 2010Mohelnikova-Duchonova et al, 2010;Bayram et al, 2012Bayram et al, , 2013.…”