Lymphoma occurs in many organs of the body, but there is a gastric mucosa-associated lymphoma caused by Helicobacter Pylori, which has received little attention, which will be discussed in this article.

MALT lymphoma is a form of lymphoma involving mucosa-associated lymphoid tissue. Accordingly, gastric MALT is known to respond to local infection by the HP bacterium, which is present in more than 90% of these lymphomas. To reside in the stomach, the HP bacterium must overcome the acidic environment of the stomach and reach the gastric mucosa.

Lymphoma occurs in many organs of the body, but there is a gastric mucosa-associated lymphoma caused by Helicobacter Pylori, which has received little attention, which will be discussed in this article.