HOTAIRM1 and clear cell renal carcinoma: However, a review of the literatures relative to HOTAIRM1 showed that HOTAIRM1 was previously explored only in thyroid, ovarian cancer, non-small cell lung cancer, leukemia, and clear cell renal cell carcinoma (Zhang et al., 2014; Chao et al., 2020; Hamilton et al., 2020; Chen D. et al., 2021; Li et al., 2021; Liang et al., 2021).