CCAT2, which was located on 8q24.21 and originally identified as an oncogenic lncRNA in colorectal cancer, was significantly up-regulated in many kinds of malignant tumors containing lung cancer, colorectal cancer, breast cancer, gastric cancer, cervical cancer and so on, indicating that CCAT2 might be a therapeutic target [8]. The gene discussed is CCAT2; the disease is lung cancer.