Peripheral T-Cell Lymphoma, Not Otherwise Specified

**Semantic type:** Neoplastic Process

**Definition:** A group of peripheral T-cell lymphomas that do not meet the criteria for any other category of specifically defined entities of peripheral T-cell lymphoma.

**Synonyms:** - Mature T-Cell Lymphoma, NOS - PTCL, NOS - PTCL-NOS - Peripheral T-Cell Lymphoma, NOS - Peripheral T-Cell Lymphoma, Unclassifiable - Peripheral T-Cell Lymphoma, Unclassifiable - Peripheral T-cell lymphoma, NOS - Peripheral T-cell lymphoma, NOS - Peripheral T-cell lymphoma, not classified, unspecified site