Figure 3From: Endobronchial endometriosis presenting as central-type lung cancer: a case reportThe bronchial epithelium and the glands were positive for CK, while the stromal cells were negative (A). The alveolar epithelial cells were positive for TTF-1 (B). The ectopic glands and the endometrial-like stromal cells were positive for ER (C). The endometrial-like stromal cells were positive for CD10 (D). A-D, SP×200.Back to article page