CD80 and gastric neoplasm: To be more specific, TNFSF4, CD86, PDCD1LG2, TNFRSF4, HAVCR2, CD28, TNFSF18, TNFRSF9, PTPRC, PDCD1, IL12B, CD80, JAK1were significantly highly expressed in gastric tumor tissues and cluster II that associated with worse OS.