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
Most common neoplasm of appendix is: 
Select and explain. 
A. Lymphoma, B. Adenocarcinoma, C. Leiomyosarcoma, D. Argentaffinoma
D: Argentaffinoma
Answer: D: Argentaffinoma 
Explanation: 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