TLK2 and thymoma: TLK2 overexpression predicted poor OS in adrenocortical carcinoma (ACC) (p < 0.001), LIHC (p = 0.005), and KICH (p = 0.007), while indicating longer OS in thymoma (THYM) (p = 0.008) and KIRC (p = 0.031) (Figures 1C–H).