Regarding cancer stemness, we found that NUDT21 was strongly associated with PCPG, followed by positive correlations with GBM, CHOL, HNSC, LIHC, TGCT, THCA, SKCM, LUSC, CESC, PCPG, SARC, and UVM (Figure 4B). Here, NUDT21 is linked to glioblastoma.