This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: G.I.T, Subject name: Surgery
[{'content': 'TRUE regarding carcinoid of appendix is \nSelect and explain. \nA. Most commonly occurs at the base of the appendix, B. Most common neoplasm of the appendix, C. Most cases require right hemicleoctomy, D. Metastases are quite common', 'role': 'user'}, {'content': 'Answer: B \nExplanation: Carcinoid tumours arise in argentaffin tissue (Kulchitsky cells of the crypts of Lieberkuhn) and are most common in the vermiform appendix.The tumour can occur in any pa of the appendix, but it is frequently found in the distal third.Unlike carcinoid tumours arising in other pas of the intestinal tract, carcinoid tumour of the appendix rarely gives rise to metastases. Appendicectomy has been shown to be sufficient treatment. Ref: Bailey & Love&;s Sho Practice of Surgery,E25,Page-1217', 'role': 'assistant'}]