We also analyzed the differential expression of 7 key genes (ABCB1, CAP1, EGFR, ITGB1, MAPK1, PPARG, SNCA) between low and high-risk groups in the TCGA-PAAD dataset and drew a heatmap using R packet (Figure 8B). The gene discussed is ABCB1; the disease is pancreatic adenocarcinoma.