Department of Oncology;
Tongji Hospital;
Tongji Medical College;
Huazhong University of Science and Technology;
Wuhan 430030;
China;
Department of Geriatric;
Tongji Hospital;
Tongji Medical College;
Huazhong University of Science and Technology;
Wuhan 430030;
China;
lung adenocarcinoma; tumor microenvironment; immunotherapy; immune checkpoint molecules; prognostic biomarkers;