CASC9 and non-small cell lung carcinoma: Indeed, potential diagnostic and prognostic biomarkers for NSCLC are increasingly being reported such as plasma linc00152 [20], circulating lncRNA PCAT6 [21], AFAP1-AS1 [22], HOTAIR [23, 24], lncRNA 00312 and 00673 [25] for diagnosis, and lncRNA CASC9.5 [26] plus LINC00968 [27] for NSCLC prognosis.