MedicalResearch.com Interview with: [caption id="attachment_72207" align="alignleft" width="400"] Prof. Yeoh Khay Guan & Prof Patrick Tan[/caption] Professor Patrick Tan, MD PhD Dean, Duke-NUS Medical School; Cancer and Stem Cell Biology Signature Research Programme, Duke-NUS Medical School; and Professor Yeoh Khay Guan, MBBS Chief Executive, National University Health System; Senior Consultant Division of Gastroenterology and Hepatology National University Hospital.   MedicalResearch.com: What is the background for this study? Response: Gastric intestinal metaplasia (IM) is a precancerous condition that can arise in the stomach after long-term infection with Helicobacter pylori (a common stomach bacterium). Clinically, IM is recognised as a risk state for gastric cancer (GC), as individuals with IM have 6-fold higher risk of eventually developing GC. However, not all IM patients will develop GC, and we lack an understanding of the biological processes operating within IM to transition to GC. Also, we don’t know if these processes are commonly found across the world, particularly since different countries have different rates of GC incidence. In this study, we looked at DNA mutations and mutational signatures in IM samples collected from six countries with varying GC incidence (including accompanying blood-derived genetic variants). We wanted to understand potential risk factors for GC and how this information can be harnessed to improve the clinical management of IM patients and to reduce their GC risk.