PROM1 and neoplasm: The tumor weight (1.8 ± 0.52 g) of CD133+ cell groups was more than that of CD133- cell groups (0.25 ± 0.16 g, P = 0.000) and unsorted miapaca-2 cell groups (0.98 ± 0.41 g, P = 0.008; Figure 3).