Understanding Cancer Series: Cancer and the Environment < Back to Main
Posted: 04/07/2006 Reviewed: 09/01/2006
Slide 21
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Helicobacter pylori
A bacterium called Helicobacter pylori (H. pylori) is the primary cause of stomach ulcers and
inflammation of the stomach. H. pylori can contribute to the development of stomach cancer, but
most infections lead to neither symptoms nor cancer.
