This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Pathology
[{'content': 'A specimen of the ovarian mass is showing a lesion which contains hair, dermal appendages, bone and teeth. Which of the following statement is not true? \nSelect and explain. \nA. It is Rokitansky protuberance, B. It is a common site for malignant transformation, C. It is seen in embryonal carcinoma, D. Squamous cell carcinoma is the most common type of malginant transformation', 'role': 'user'}, {'content': 'Answer: C \nExplanation: Rokitansky protuberance is a hallmark finding in\xa0gross specimen of Benign cystic teratoma. (Mature Teratoma)', 'role': 'assistant'}]