Krupa et al. [55], Jakubowska et al. [46], Chang et al. [24], Romanowicz-Makowska et al. [22], Sliwinski et al. [20], Blasiak et al. [12], Webb et al. [17], Brooks et al. [49], Kuschel et al. [27], Lee et al. [19], and Hu et al. [54] reported that the RAD51 135G>C polymorphism was not associated with the risk of breast cancer. The gene discussed is RAD51; the disease is breast cancer.