disease has location integumentary system disorder breast mucosa-associated lymphoid tissue lymphoma An extranodal marginal zone B-cell lymphoma of mucosa associated lymphoid tissue that arises from the breast as a primary tumor. MEDGEN:234051 UMLS:C1332633 MONDO:0006119 GARD:0024300 breast MALT lymphoma breast mucosa-associated lymphoid tissue lymphoma NCIT:C35688 MALT lymphoma mammary gland