Is there an association between stomach cancer and h pylori?

Since 2/3 have H.: Pylorii, and not all of them get cancer, there is an association, but not proven cause and effect. Malt gastric lymphoma can disappear if the h. P. Is treated. Presence of h.P seems protective against esoph ca.

Yes: The bacteria h. Pylori is a well established cause of stomach cancer, and eliminating the infection with a course of antibiotics will lower your risk. However, it is important to keep in mind that h. Pylori infection is very common, and that most people who have h. Pylori will never get stomach cancer. There are likely several risk factors that come together to cause the development of cancer.