Gastric Diffuse Large B-Cell Lymphoma

**Semantic type:** Neoplastic Process

**Definition:** An extranodal diffuse large B-cell lymphoma that arises from the stomach with the bulk of the mass located in the stomach.

**Synonyms:** - Primary Diffuse Large B-Cell Gastric Lymphoma - Primary Diffuse Large B-Cell Lymphoma of Stomach - Primary Diffuse Large B-Cell Lymphoma of the Stomach - Primary Gastric DLBCL - Primary Gastric Diffuse Large B-Cell Lymphoma