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Breast lymphoma
General
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0.5% of breast malignancies, ~1% of all NHL, <3% of extranodal lymphomas
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Clinical presentation: usually unilateral painless breast mass
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Average age at diagnosis: 55 to 60 years
Pathology
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B-cell lymphoma
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Mostly DLBCL
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Also: indolent lymphomas such as marginal zone lymphoma and follicular
lymphoma
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T-cell lymphoma
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Breast Implant–Associated Anaplastic Large-Cell Lymphoma