CD24 (cluster of differentiation 24) is known as a surface marker that is highly expressed in the various cancer cells such as renal carcinoma, hepatocellular, nasopharyngeal, bladder, ovarian cancer, breast cancer and lung cancer.19-23 It was previously reported that CD24 is strongly associated with the capacity of metastasis in the solid tumors via P-selection interactions. The gene discussed is CD24; the disease is lung cancer.