Changes in FKBP5 gene expression were found in gastric cancer (Kang et al., 2012; Wang et al., 2022b), pancreatic cancer (Hou and Wang, 2012), breast cancer (Xiong et al., 2020), and papillary thyroid carcinoma (Gao et al., 2021). The gene discussed is FKBP5; the disease is breast cancer.