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Prox1 in benign angiomas. A. Endothelial cells of abdominal lymphangioma are Prox1-positive. B. Spindle cell hemangioma endothelia are strongly Prox1-positive, but the interstitial spindle cells are negative. C. Venous hemangioma vessels with irregular muscular walls show endothelial Prox1-positivity. D. Endothelia of hepatic cavernous hemangioma vascular spaces are Prox1-negative, but lymphatics in vessel walls have Prox1-positive endothelia.
