EGFR and gastric cancer: However, a great deal of lncRNAs that have been characterized and reported functional mechanisms have not been used to diagnose and treat gastric cancer patients, such as WFDC21P[34], UBE2CP3[35].Recently, Hu et al. confirmed that lncRNA EGFR-AS1 was obviously upregulated in GC and higher EGFR-AS1 expression was associated with poor prognosis[8].