B Lymphoblastic Leukemia/Lymphoma with Other Genetic Abnormalities

**Semantic type:** Neoplastic Process

**Definition:** A group of B lymphoblastic leukemias/lymphomas characterized by the presence of less common or emerging molecular abnormalities distinct from the classic, well-established molecular abnormalities that comprise the group of B lymphoblastic leukemias/lymphomas with recurrent genetic abnormalities.

**Synonyms:** - B Lymphoblastic Leukemia/Lymphoma with Other Defined Genetic Abnormalities