Small Intestinal High Grade B-Cell Lymphoma, Not Otherwise Specified

**Semantic type:** Neoplastic Process

**Definition:** High-grade B-cell lymphoma, not otherwise specified, that arises from the small intestine.

**Synonyms:** - Primary Small Intestinal High Grade B-Cell Lymphoma, Not Otherwise Specified - Primary Small Intestinal High-Grade B-Cell Lymphoma, Not Otherwise Specified - Small Intestinal B-Cell Lymphoma, Unclassifiable, with Features Intermediate between Diffuse Large B-Cell Lymphoma and Burkitt Lymphoma - Small Intestinal High-Grade B-Cell Lymphoma, Not Otherwise Specified