PTGDR and gastric cancer: Guo et al disclosed that the abnormality of circ_0065149 expression showed an authentic role in GC oncogenesis, and its existence in exosomes was an biomarker for early screening and prognostic prediction for GC patients.15 Virgilio et al indicated that lncRNAs, like H19, UCA1, ABHD11‐AS1, and so forth, were supposed to be the prominent role in GC research, and emerged to be novel potential markers for GC diagnosis.16, 33 Thus, new biomarker in GJ showed a more distinguished advancement than traditional methods.