Expression of the CXC chemokine 13 (CXCL13) has been reported in tumors and serum of breast cancer [69], non-small cell lung carcinoma [70], and hepatocellular carcinoma [71], but little is currently known about the expression of CXCL13 in ovarian cancer. The gene discussed is CXCL13; the disease is non-small cell lung carcinoma.