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Immunohistochemical staining of seven polycomb group proteins in matched specimens from the same patients with ovarian serous cystadenocarcinoma. Increased staining could be observed in recurrent tumors.
Note: Bars represent 200 μm.
Abbreviations: A, abdominal disseminated lesions at presentation; LN, lymph node metastases at presentation; P, primary ovarian tumor tissues at presentation; R, recurrent lesions.
