IRAK2 and lung adenocarcinoma: IRAK2 was more expressed in rectum adenocarcinoma (READ), colon adenocarcinoma (COAD), esophageal carcinoma (ESCA), stomach adenocarcinoma (STAD), THCA, lung adenocarcinoma (LUAD), liver hepatocellular (LIHC), and kidney renal clear cell carcinoma (KIRC).