CD8A and lung adenocarcinoma: In the analysis of the TCGA dataset, we found that the expression of IL17A was significantly positively correlated with the expression of CD8A in invasive breast carcinoma (BRCA), liver hepatocellular carcinoma (LIHC), and ovarian serous cystadenocarcinoma (OV) in lung adenocarcinoma in TCGA (Fig. S1c).