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Representative histology images of primary dedifferentiated endometrial carcinoma (A) hysterectomy (hys) specimen; (B) lung metastasis; and (C) PDX-mLung. Hematoxylin and eosin (H&E) staining and results of immunohistochemistry (IHC) for estrogen receptor (ER) and progesterone receptor (PR) expression (Scale bar = 50 μm).
