Many studies have explored the relationships between MUC5B expression and clinicopathological characteristics, which found that overexpression of MUC5B was associated with early post‐operative metastasis and poor overall survival (OS) in patients with NSCLC.51 Yuan et al demonstrated that MUC5B‐AS1 was up‐regulated and functioned as an oncogene in NSCLC. The gene discussed is MUC5B; the disease is non-small cell lung carcinoma.