Refractory Systemic Anaplastic Large Cell Lymphoma, ALK-Positive

**Semantic type:** Neoplastic Process

**Definition:** A systemic anaplastic large cell lymphoma, ALK-positive that is resistant to treatment.

**Synonyms:** - Refractory Primary Systemic Anaplastic Large Cell Lymphoma, ALK-Positive - Refractory Primary Systemic Anaplastic Large Cell Lymphoma, ALK-Positive