T Acute Lymphoblastic Leukemia, Not Otherwise Specified

**Semantic type:** Neoplastic Process

**Definition:** A T acute lymphoblastic leukemia in which further genetic/molecular characterization is not available.

**Synonyms:** - T Acute Lymphoblastic Leukemia, NOS - T-ALL, NOS - T-Cell Acute Lymphoblastic Leukemia, NOS - T-Cell Acute Lymphoblastic Leukemia, Not Otherwise Specified