Fig. 7From: A seven-gene prognostic signature predicts overall survival of patients with lung adenocarcinoma (LUAD)Kaplan–Meier survival analysis of the seven-gene risk score level for patients stratified by gender, history of smoking, age, tumor size and stage in the training group (Fudan). In the validation group (TCGA) the patients stratified by gender, age, stage, pT-stage, N-stage, M-stageBack to article page