HMGB2 and non-small cell lung carcinoma: After the detection of 3 HMGB2-derived circRNAs in 8 pairs of NSCLC tissues and matched normal tissues, circHMGB2 (hsa_circ_0071452) was found to be highly expressed in tumor tissues, and high circHMGB2 expression was identified as an indicator of poor prognosis in NSCLC patients.