This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Miscellaneous, Subject name: Pathology
[{'content': 'Neurofibromatosis, type 1 patient is at increased risk of developing which of the following malignant neoplasms? \nSelect and explain. \nA. Ganglioneuroma, B. Glioblastoma multiforme, C. Neurofibrosarcoma, D. Serous cystadenocarcinoma', 'role': 'user'}, {'content': 'Answer: C \nExplanation: Neurofibromatosis type 1 (NF1), Appearance of a neurofibrosarcoma in a neurofibroma. Neurofibrosarcoma, also known as peripheral nerve sheath tumor, is a malignant tumor that develops in the cells surrounding the peripheral nerves. NF1 also associated with neurogenic tumors, including meningioma, optic glioma, and pheochromocytoma.', 'role': 'assistant'}]