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Inflammatory infiltrates were analysed in tissue sections of 76 breast carcinomas by counting the percentage of macrophages , IgA+ and IgG+ plasma cells , T cells with their subpopulations, and natural killer cells , and by measuring postcapillary venules ( PCVs , found in 12 cases) within the infiltrates.
 cell type: T cells; cell type: natural killer cells; cell type: Inflammatory infiltrates; cell type: macrophages
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: cell line, protein, RNA, DNA, cell type 
Text: {0} 
Answer:
 cell type: T cells; cell type: natural killer cells; cell type: Inflammatory infiltrates; cell type: macrophages