For the tumor stroma, a five gene classifier consisting of probesets for PSPHL (205048_s_at), CXCL10 (204533_at), CXCL11 (211122_s_at), ISG20 (204698_at), and GMDS (204875_s_at) was identified. The gene discussed is CXCL11; the disease is neoplasm.