Firstly, the clinical information of 482 lung squamous cell carcinoma (Detailed in Table S1) and 223 adenocarcinoma cases (Table S2) were downloaded from TCGA data (same information being used for COX regression analysis), and the results showed that NDC80 expression statistical significantly associates with LUAD patients age, smoking, and stage in adenocarcinoma, the gene tends to express higher in younger (< 60 years), smoker and higher stage patients (Table 4). This evidence concerns the gene NDC80 and squamous cell lung carcinoma.