PLA2G2A and gastric cancer: Using the top eight upregulated genes (SLPI, PLA2G2A, CXCL1, CCL20, REG1A, CLDN7, PI3, LGALS3) as a representative gene set for the high metabolic subcluster, we calculated the GSVA score of this gene set for each patient in the TCGA gastric cancer cohort.