HOTAIR has been shown to be an important predictor of poor prognosis for a variety of cancers, including multiple tumors: melanoma, head and neck cancers, urinary tract cancers, digestive system cancers, some female cancers (such as carcinoma of uterine cervix, carcinoma of ovary and endometrial cancers), and hematologic and lymphoid neoplasms [10]. Here, HOTAIR is linked to cancer.