Second, due to the fact that differentiated thyroid cancer harbors an excellent prognosis compared to other cancers and the small number of cancer specimen in our TMA cohort, we were not able to evaluate the prognostic relevance of CXCR4, pCXCR4, SDF-1 and CD8+ in this cohort. The gene discussed is CXCL12; the disease is thyroid gland carcinoma.