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. 2022 May 16;71(12):3087–3092. doi: 10.1007/s00262-022-03211-7

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Fig. 2 — A Giemsa staining of malignant pleural effusion. Carcinoma cells (*) are intermingled with granulocytes (G) and macrophages (M). B Giemsa staining of ICI-induced serous pleural effusion. Numerous segmented granulocytes and few serosa cells are displayed