RAD54B and cancer: RAD54 Homolog B (RAD54B) located on chromosome 8p22.1, is a member of SWI2/SNF2 heli-case superfamily.6 Evidence has revealed that RAD54B is associated with the homologous recombination repair and the regulation of the DNA damage checkpoint response.7,8 Thus, plenty of studies verify the implication between RAD54B and the progress of various cancers.