This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Tumors, Subject name: ENT
[{'content': 'Which cancer has maximum propensity to spread to cervical lymph nodes - \nSelect and explain. \nA. Nasopharyngal carcinoma, B. Carcinoma of hard palate, C. Carcinoma of soft palate, D. Carcinoma of mandible', 'role': 'user'}, {'content': 'Answer: A \nExplanation: Ans. is \'a\' i.e., Nasopharyngal carcinoma "Nasopharynx is a centrally located structure with extensive submucosal capillary lymphatic plexus. Partly due tc this extensive lymphatic existance, NPC has a propensity of lymph node involvement in its early stages. Clinica, evident cervical lymph adenopathy is seen in more than 86% of the patients with nasopharyngeal carcinoma"', 'role': 'assistant'}]