HOXA11 and central nervous system cancer: The expression of homeobox A11 antisense RNA (HOXA11-AS), a lncRNA, has been found in diverse human neoplasms, such as glioma, epithelial ovarian cancer, lung adenocarcinoma, gastric cancer, hepatocellular carcinoma, uterine cervix carcinoma, breast cancer, and CRC 7-15.