This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Vermiform Appendix, Subject name: Surgery
[{'content': 'Most common neoplasm of appendix is: \nSelect and explain. \nA. Lymphoma, B. Adenocarcinoma, C. Leiomyosarcoma, D. Argentaffinoma', 'role': 'user'}, {'content': 'Answer: D \nExplanation: Carcinoid Tumor in Appendix is known as argentaffinoma. MC tumor of appendix- Carcinoid tumor Small, localized, not associated with metastasis Not associated with carcinoid syndrome', 'role': 'assistant'}]