However, when patients were split into lung adenocarcinoma patients and squamous cell carcinoma of lung, UBQLN1 expression was just positively correlated with the OS and PPS of lung adenocarcinoma patients (Figure 6c and 6d), but not with squamous cell carcinoma of lung patients (Figure 6e and 6f). This evidence concerns the gene UBQLN1 and lung adenocarcinoma.