SNHG6 and gastric cancer: Small nucleolar RNA host gene 6 (SNHG6), a newfound lncRNA located at chromosome 8q13.1, has been demonstrated to be a potential oncogene involved in the initial and development of various cancers, such as breast cancer [17], gastric cancer [18], hepatocellular carcinoma [19], and colorectal adenocarcinoma [20].