PROM1 and neoplasm: In the univariate Cox analysis, after adjusting for age and sex, we found a significant association between death and tumor grading [2.94 (1.3–6.7); p = 0.01], adjuvant CT/RT [0.2 (0.06–0.67); p = 0.009], HST [2.81 (1.23–6.24); p = 0.011], % of CXCR4+CD133+ cells [1.73 (1.13–2.6); p = 0.007], % of CXCR4+CD133− cells [1.09 (1.008–1.18); p = 0.03], and % of CXCR4+ cells [1.09 (1.008–1.18); p = 0.03].