Refractory Extranodal Marginal Zone Lymphoma of Mucosa-Associated Lymphoid Tissue

**Semantic type:** Neoplastic Process

**Definition:** An extranodal marginal zone lymphoma of mucosa-associated lymphoid tissue that is resistant to treatment.

**Synonyms:** - Extranodal Marginal Zone B-Cell Lymphoma (MALT Type) Refractory - Refractory Extranodal Marginal Zone B-Cell Lymphoma (MALT Type) - Refractory Extranodal Marginal Zone B-Cell Lymphoma of Mucosa-Associated Lymphoid Tissue