It has been reported that B7-H6 is present in gastric carcinoma [22], non-small cell lung cancer [23], neuroblastoma [24], ovarian cancer [25, 26], astrocytoma [27], breast cancer [28], acute promyelocytic leukemia [20], and B cell non-Hodgkin lymphoma [29]. This evidence concerns the gene NCR3LG1 and acute promyelocytic leukemia.