DLX6 and renal cell carcinoma: Little is known about lncRNA DLX6‐AS1 in endometrial cancer, but several investigations have shown that lncRNA DLX6‐AS1 is overexpressed in lung adenocarcinoma, renal cell carcinoma, hepatocellular carcinoma, pancreatic cancer and many other kinds of tumours.10, 21, 22