Researchers find way to detect signs of stomach cancer years before symptoms develop
![Researchers find way to detect signs of stomach cancer years before symptoms develop](https://i2-prod.walesonline.co.uk/incoming/article29226229.ece/ALTERNATES/s615/0_GettyImages-1450349384.jpg)
New evidence suggests signs of stomach cancer years begore symptoms appear could be identified in peoples' mouths
New evidence suggests signs of stomach cancer years begore symptoms appear could be identified in peoples' mouths