HOTAIR and cancer: Known lung cancer-associated lncRNAs are few and include HOTAIR, H19, ANRIL, MALAT1 (lung adenocarcinoma associated transcript 1) [14], [15], SCAL1 (smoke and cancer-related long-chain non-coding RNA1) [16], lncRNA AK126698 [17], and lncRNA GAS6-AS1 (GAS6 antisense RNA1) [18].