PROM1 and gastric cancer: The higher BSV of CD133 mRNA in the PBMCs of patients with GC before operation was associated with the poorer differentiation (P = 0.007), the lymphatic vessel invasion (P = 0.006), the deeper invasion (P = 0.003), the lymph nodes metastasis (LNM) (P < 0.001), and the later stages of TNM (P < 0.001) (Table 1).