TERF2 and lip and oral cavity carcinoma: Although TRF-1 and TRF-2 expression is reported in hemopoeitic cells (Yamada et al. 2000), adrenal tumors (Kanauchi et al. 2003), lung tumors (Nakanishi et al. 2003) and pancreatic tumors (Yajima et al. 2001), there are no reports in oral cancer.