Data from Ualcan revealed that the expressions of BMP2, CCL5, CCL15, CCL20, IL8, CD70, CSF2RA, CXCL1, CXCL16, CXCR4, TGFB2, GDF15, IL11, IL1R1, IL1RN, IL13RA2, IL32, IL2RB, IL2RG, IL22RA1, IL18R1, IL18RAP, INHBA, INHBB, INHBE, TNFRSF9, TNFRSF1B, and TNFRSF14 were significantly higher in GC tissues than in normal tissues (Supplementary Figure S8). Here, IL18RAP is linked to gastric cancer.