On the other hand, we did find positive correlations between Bmi-1 levels and the tumor size (‘T’; P = 0.030), lymph node invasion (‘N’; P < 0.001) and clinical stage (III-IV vs. I-II; P = 0.001) of NPC (Figure 2A, 2B; Table 2). The gene discussed is BMI1; the disease is neoplasm.