Figure 1. Flowchart for identifying a prognostic lncRNAs of COAD.

RNA-Seq data and relevant clinical information for COAD patients were download from the TCGA database. We identified DElncRNAs and further identified and validated a 7-lncRNA prognostic signature. Then a nomogram was built as a prognostic model for COAD. The GO and KEGG were used for the exploration of coexpressed mRNAs’ function. lncRNA, long noncoding RNA; DElncRNAs, differentially expressed lncRNA; OS, overall survival; LASSO, least absolute shrinkage and selection operator; TCGA, The Cancer Genome Atlas; COAD, colon adenocarcinoma.