CHEK2 and cancer: Since that, many other genes were reported to be associated with a genetic susceptibility to this cancer including PALB2, CHEK2, ATM, BARD1, BLM, NBN, XRCC2, RECQL, RAD50, RAD51C, RAD51D, TP53, PTEN, NF1, STK11 and CDH1 [10–17].