Interestingly, a significant and positive association (p ≤ 0.05) was found between SLC22A17 expression levels and PFI in patients with GBM, LGG, LUAD, PAAD, PRAD, SKCM, and THYM, while ACC and READ PFI showed a negative correlation. This evidence concerns the gene SLC22A17 and glioblastoma.