TUG1 and lung carcinoma: To infer putative combinational functional effects for these two lncRNAs in lung cancer, we first separately obtained the CEGs of MALAT1 and TUG1 in the ‘CEGs’ module by using the ‘Lung (GEO Seo JS et al.)’ dataset, which contains 87 lung adenocarcinomas and 77 adjacent normal tissues.