B Acute Lymphoblastic Leukemia with KMT2A-Like Features

**Semantic type:** Neoplastic Process

**Definition:** A provisional subtype of B acute lymphoblastic leukemia that has a similar gene expression profile to B acute lymphoblastic leukemia with KMT2A rearrangement but lacks a detectable KMT2A gene rearrangement.

**Synonyms:** - KMT2A-Like B-ALL