BCL2-R-Negative, CD23-Positive Follicle Center Lymphoma

**Semantic type:** Neoplastic Process

**Definition:** Follicular lymphoma characterized by the absence of BCL2 rearrangement and the presence of CD23-positive neoplastic cells. It is associated with STAT6 mutations. It presents with low-stage disease, typically in the inguinal region, and often has a predominant diffuse growth pattern.

**Synonyms:** - BCL2-R Negative, CD23 Positive Follicle Center Lymphoma