PROM1 and cancer: CD133 expression was present in a subpopulation of cancer cells from 1.1% to 18.0% with a median value of 6.5%; CD44 from 36.0% to 97.0% (median value 80.0%); and cells with CD24 expression consist of 0.0% to 16.0% (median value 7.0%) of the whole population of isolated cancer cells.