Figure 9. Heatmap of core gene expression. (A) Visualization of core gene expression in the merged matrix of gastric cancer datasets GSE79973, GSE118916, GSE118897, GSE172032, with respective heatmaps. (B) CTD analysis showing associations of core genes (DSCC1, GINS1) with gastric tumors, gastrointestinal diseases, tumors, gastritis, inflammation, and necrosis.