Endoscopy revealed foveolar hyperplasia, mild chronic idiopathic gastritis. have had abdominal pain for last five weeks, could this be stomach cancer?

possible, not likely: Stomach pain can be part of the onset of stomach cancer, but is not that likely (maybe 25%). Other factors to consider are your risks of developing a stomach cancer, such as smoking history or drinking alcohol. Family history contributes too. If you are still concerned after the tests you have already mentioned, ask your doctors about both a ct scan and upper GI study.