PVT1 and esophageal cancer: LncRNA plasmacytoma variant translocation 1 gene (PVT1), located at 8q24.21, was significantly upregulated and therefore identified as an oncogene in the progression of diverse human cancers, such as non-small cell lung cancer (NSCLC) [11], pancreatic cancer [12], esophageal cancer [13], and CC [14].