Meta-analysis of these datasets collectively revealed that increased CIAPIN1 mRNA expression was associated with lung cancer, including small cell lung carcinoma, large cell lung carcinoma, squamous cell lung carcinoma and lung adenocarcinoma as compared with normal lung tissues (gene median rank: 3913.0, p = 1.22E-5). The gene discussed is CIAPIN1; the disease is squamous cell lung carcinoma.