Chorangioma of the placental membranes.
D000328:Adult; D005260:Female; D006391:Hemangioma / Q000175:diagnosis* / Q000473:pathology; D006801:Humans; D010922:Placenta Diseases / Q000175:diagnosis* / Q000473:pathology; D011247:Pregnancy; D011252:Pregnancy Complications, Neoplastic / Q000175:diagnosis* / Q000473:pathology