Using high-throughput tissue microarray analyses, Yao et al. [173] investigated the expression of nuclear receptor subfamily 2 group C member 2 (NR2C2), B cell translocation gene 2, T-box-19 (TBX19) and cyclin-dependent kinase 2 (CDK2) in both non-invasive and invasive non-functioning adenomas using immunohistochemistry. The gene discussed is CDK2; the disease is adenoma.