SMARCA2 expression, sex, age, pathological stage, pleural invasion, smoking history, necrosis, STAS, vascular invasion, PD-L1 expression, Ki67 expression, history of underlying lung disease, lymphatic metastasis, histomorphology, family history, and pathological type were included in the univariate analysis to assess the significance of each variable on OS and PFS. Here, SMARCA2 is linked to lung disorder.