LUCAT1 and lung cancer: Until now, only a limited number of CS-associated lncRNAs have been reported in lung cancer, namely, Smoke and Cancer-associated LncRNA–1 (SCAL1), HOX Transcript Antisense RNA (HOTAIR), H19, and Metastasis-Associated Lung Adenocarcinoma Transcript 1 (MALAT1) [25–30].