CSNK1G2 and testicular germ cell tumor: In our present study, we analyzed the expression of CSNK1G2-AS1 in TGCTs and its relationship with the prognosis of TGCT patients using the Gene Expression Profiling Interactive Analysis (GEPIA) database 25 (http://gepia.cancer-pku.cn/) and University of California Santa Cruz (UCSC) Xena database, respectively.