In this group of patients, 62 cases of 104 (59.6%) specimens contained less than 5% CD133-positive tumor cells and 42 cases (40.4%) contained more than 5% CD133-positive tumor cells, among which the percentage of CD133+ cells varying from 5% to 25% existed in 23 cases, from 26% to 50% in 12 cases, and more than 50% in 7 cases. This evidence concerns the gene PROM1 and neoplasm.