LUADEXPRESS is a web application designed to facilitate data mining and maximize the value of publicly available expression data of lung adenocarcinoma (LUAD) patients. Currently, there are more than 2,500 samples from 15 independent LUAD studies available in LUADEXPRESS. The major functions of LUADEXPRESS consist of seven modules, including Expression, Survival, Correlation, Dependency, Diagnosis, Prognosis, and PD-L1. http://www.bioinfo-zs.com/luadexpress/