For example, DLEU2 is downregulated in chronic lymphocytic leukemia (CLL) [6], pleomorphic liposarcoma (PL) [9], Pseudoangiomatous Pleomorphic/Spindle Cell Lipoma [10], pediatric AML [8], and breast cancer (BC) [11]. This evidence concerns the gene DLEU2 and B-cell chronic lymphocytic leukemia.