CXCL9 and neoplasm: Furthermore, LIGHT may induce the expression of Mig and IP-10, chemotactic factors in antitumor angiogenesis, inhibit tumor angiogenesis and act with natural killer (NK) cells (18) and accelerate antitumor T-cell immunity, which may result in delayed growth or the spontaneous regression of tumors (4), all indicating that LIGHT may be an significant antitumor factor.