Figure 2. Heatmap of differentially expressed genes (DEGs), Venn diagram, protein-protein interaction (PPI) network, and enrichment analysis. (A) Heat map of immune-related DEGs. (B) Heatmap of DEGs between colon cancer and normal samples. (C) Venn diagram of genes associated with immunity in normal and cancer samples. (D) PPI network of 82 core DEGs. Gene Ontology (E) and Kyoto Encyclopedia of Genes and Genomes enrichment (F) analysis for 117 DEGs.