HOXB13 and cancer: While no heterogeneities (for breast cancer: I2 = 0.0%, Pheterogeneity = 0.958; and for colorectal cancer: I2 = 36.9%, Pheterogeneity = 0.205, respectively) were found when we analyzed the association between HOXB13 p.Gly84Glu mutation and the risk of the other two kinds of cancers mentioned above.