Finally, three lncRNAs (RP11‐98D18.9, RHPN1‐AS1 and RP11‐429J17.7) in lung adenocarcinoma and three lncRNAs (RP11‐98D18.9, RP11‐295G20.2 and LINC00578) in breast cancer were evaluated, both containing a common lncRNA RP11‐98D18.9. This evidence concerns the gene RHPN1 and lung adenocarcinoma.