Analysis of SPAG9 and HLA-G expression in parental CRUK0748-XCL cells revealed that both SPAG9 and HLA-G are expressed in parental CRUK0748-XCL, signifying that HLA-G and SPAG9 are expressed in primary lung cancer cells with a high predisposition to BM. The gene discussed is SPAG9; the disease is lung carcinoma.