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: ENT
[{'content': 'Lymph mode metastasis in neck is almost never seen with: \nSelect and explain. \nA. Carcinoma vocal cords, B. Supraglottic carcinoma, C. Carcinoma of tonsil, D. Papillary carcinoma thyroids', 'role': 'user'}, {'content': 'Answer: A \nExplanation: Ans. A Carcinoma of vocal cords. Ref. Dhingra Sth/ed p 327, 6th/ed p 309 "There are very few lymphatics in vocal cords and nodal metastasis are practically never seen in cordallesions unless ithas spread beyond the region of membranous cord.', 'role': 'assistant'}]