In MESO, TGCT(testicular germ cell tumors), LUAD, COAD, COADREAD, STES, STAD, SARC, and LUSC, the expression level of PKNOX1 was significantly positively correlated with MSI, whereas it was significantly negatively correlated with GBMLGG and KIPAN (Figure 8C). The gene discussed is PKNOX1; the disease is testicular germ cell tumor.