PROM1 and colorectal carcinoma: Concerning liver metastasis of CRC, abdomen CT/MRI achieved 78.6% sensitivity and 84.8% specificity, significantly higher than CEA level and the CD133+CD44+CD54+ cellular subpopulation (53.6% and 81.8% for CEA, 71.0% and 75.4% for the CD133+CD44+CD54+ cellular subpopulation, respectively) (Table 3, Figure 5 left panel).