PTGDR and glioma: In this research, we established a TSRlncRNA signature in glioma and 15 TSRlncRNAs that possess prognostic significance were identified, including AC010173.1, HOXA‐AS2, AC074286.1, AL592424.1, DRAIC, HOXC13‐AS, AC007938.1, AC010729.1, AC013472.3, AC093895.1, AC131097.4, AL606970.4, HOXC‐AS1, AGAP2‐AS1, and AC002456.1.