HIF1A and gastric adenocarcinoma: Although two studies have assessed HIF-1α as a prognostic marker in gastrointestinal stromal tumours of the stomach (Takahashi et al, 2003; Chen et al, 2005), conflicting data concerning patient prognosis for gastric adenocarcinoma exist (Mizokami et al, 2006; Sumiyoshi et al, 2006; Urano et al, 2006; Cabuk et al, 2007; Griffiths et al, 2007).