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Histologic section of chorioretinal biopsy of patient D, a 48-year-old woman who presented with fluctuating visual loss in the right eye associated with remitting and relapsing creamy choroidal infiltrates. Biopsy revealed a diffuse infiltrate of mature lymphocytes throughout the choroid. Immunophenotyping was consistent with MALT-type lymphoma (hematoxylineosin, original magnification ×20)
