Breast lymphoma
Breast lymphoma can be either primary or secondary. Primary lymphoma of the breast is less common than secondary lymphoma, and is typically a B cell non Hodgkin lymphoma. Secondary lymphoma, is also frequently NHL than Hodgkin's lymphoma. Both are rare accounting for 0.3% of all breast malignancies.
Often axillary nodes are large. It may present either as a palpable mass or as diffuse thickening of the breast.
