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': 'Right-sided vocal cord palsy seen in - \nSelect and explain. \nA. Larynx carcinoma, B. Aortic aneurysm, C. Mediastinal lymphadenopathy, D. Vocal nodule', 'role': 'user'}, {'content': 'Answer: A \nExplanation: First I would like to exclude other three options : -\n\n\nAortic aneurysm (option b) and mediastinal lymphadenopathy (option c) cause left sided vocal cord paralysis.\nVocal nodules does not cause vocal cord paralysis.\xa0\n\n\nNow we are left with option \'a\' only : -\n\n"Laryngeal carcinoma especially glottic can cause\xa0unilateral or bilateral vocal cord paralysis"\xa0─ Conn\'s current therapy\n\nSo, answer of this question is laryngeal carcinoma as it can cause unilateral (right or left) or bilateral vocal cord paralysis.', 'role': 'assistant'}]