MME and neoplasm: Immunohistological examination of tumor cells indicated them as endoscopy: CD20+++, CD3+, CD10−, Bcl6-, Mum1++, Ki67 (80%), CD21−, AE1/AE3+, CgA−; and breast: CD20+++, CD3+, CD10−, Bcl6+, Mum1+, Ki67 (80%) (Fig. 2A–F).