CLDN18 expression was higher in the microsatellite stable/p53 positive (MSS/TP53+) and negative (MSS/TP53-) subgroups versus others using the Asian Cancer Research Group (ACRG) classifications (Figure 5A) and in the EBV-positive subgroup versus others using the TCGA classifications (Figure 5B). Here, TP53 is linked to cancer.