Understand the Oncogenicity of  H. pylori

Explanation:

H. pylori has been implicated strongly as the antigen which initiates gastric MALT (mucosa associated lymphoid tissue) lymphomas (B-cell lineage). Nested case control studies have implicated it as a factor in the development of Type I gastric adenocarcinoma.

Also see Risk factors for H. pylori infection ,  Helicobacter pylori and neoplasms & Indication for Helicobacter pylori eradication