IFN-γ has anti-tumorigenic activities, including tumor immune-surveillance (Dunn et al. 2006; Kaplan et al. 1998), tumor cytostatic/cytotoxic effects (Chawla-Sarkar et al. 2003) and decreases tumor angiogenesis (Beatty and Paterson 2001). The gene discussed is IFNG; the disease is neoplasm.