Tumour stage significantly associated with the expression of LINC00673 (p = 0.005), LINC01929 (p = 0.002), PCAT19 (p = 0.001), FENDRR (p = 8.33 × 10–6), SVIL-AS1 (p = 0.037), LANCL1-AS1 (p = 8.69 × 10–7), LINC00968 (p = 2.32 × 10–7) and ADAMTS9-AS2 (8.29 × 10–6) as determined by Kruskal–Wallis test (Supplementary Fig. S7). The gene discussed is PCAT19; the disease is neoplasm.