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Invasive and metastatic high grade serous ovarian cancer nodules (arrows) are positive for both p53 and the PTPµ biomarker. Staining of adjacent tissue sections for hematoxylin and eosin (A), p53 (B), and SBK4-TR (C) demonstrates that areas of tumor growth are labeled by both p53 antibodies (mutated pattern) and SBK4-TR. Scale bars = 2 mm. A higher magnification image from a region in panel (C) is shown in panel (D). Scale bar = 1 mm.
