High expression of FKBP4 is associated with the malignancy and progression of several types of human cancer (Rees-Unwin et al, 2007; Bhowal et al, 2017; Federer-Gsponer et al, 2018; Mange et al, 2019; Liu & Gao, 2021; Zong et al, 2021). This evidence concerns the gene FKBP4 and cancer.