The results revealed that UBE2V2 was positively related to tumor purity in LUAD (r = 0.105, p = 0.019) and CD8+ T cells (r = 0.095, p = 0.036) but negatively related to B cells (r = −0.245, p < 0.0001), CD4+ T cells (r = −0.238, p < 0.0001), macrophages (r = −0.106, p = 0.019), and dendritic cells (r = −0.188, p < 0.0001). The gene discussed is UBE2V2; the disease is neoplasm.