We found a positive association between FoxM1 and Nanog (r = 0.650; P = 0.000), SOX2 (r = 0.218; P = 0.020), and OCT4 (r = 0.243; P = 0.010) expression in NPC tissues (Figure 5A). The gene discussed is SOX2; the disease is nasopharyngeal carcinoma.