IL6 and cancer: IL6 seems to promote the development of cancer [19] and is significantly upregulated in lymphoid neoplasm diffuse large B-cell lymphoma (DLBC), GBM, PAAD, testicular germ cell tumours (TGCTs), and THYM but downregulated in adrenocortical carcinoma (ACC), BLCA, BRCA, kidney chromophobe (KICH), kidney renal clear cell carcinoma (KIRP), LAML, and LUAD.