Gastric Lymphoma

**Semantic type:** Neoplastic Process

**Definition:** An extranodal lymphoma that arises from the stomach with the bulk of the mass located in the stomach. The vast majority of cases are diffuse large B-cell lymphomas and B-cell lymphomas of the mucosa-associated lymphoid tissue.

**Synonyms:** - Lymphoma of Stomach - Lymphoma of the Stomach - Primary Gastric Lymphoma