HMGA1 and squamous cell carcinoma: Therefore, to evaluate the clinical significance of the HMGA1 expression level in lung cancer, HMGA1 expression level was compared with selected clinicopathological features: age, sex, population affinity, smoking status, TNM stage, and nodal involvement separately in lung adenocarcinoma (Figure 12A) and squamous cell carcinoma (Figure 12B) with the usage of the UALCAN database.