Recurrent Primary Mediastinal Large B-Cell Lymphoma

**Semantic type:** Neoplastic Process

**Definition:** The reemergence of primary mediastinal large B-cell lymphoma after a period of remission.

**Synonyms:** - Recurrent Mediastinal (Thymic) Large B-Cell Lymphoma - Recurrent Primary Mediastinal (Thymic) Large B-Cell Lymphoma - Relapsed Primary Mediastinal (Thymic) Large B-Cell Lymphoma - Relapsed Primary Mediastinal Large B-Cell Lymphoma