PROM1 and gastric cancer: The CD133 mRNA expressions in the group of patients with GC at 1 week after D2 resection were detected in 94.29% (66/70) cases while the average BSV of CD133 mRNA was 0.313 ± 0.165 (0~0.694), which was significantly higher than that in the group of patients with GC before operation (0.262 ± 0.149, t = −2.392, P = 0.021).