PROM1 and neoplasm: We estimated the overall survival according to tumor CXCR4/CD133 stemness: medians were 355 (212–497) days and 1004 (210–1797) days for patient with HST (n = 22) or LST (n = 24), respectively (Log Rank, p = 0.008; Breslow p = 0.019; see Figure 5B).