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: Pathology
[{'content': "Homer's syndrome is associated with:March 2010, March 2013 \nSelect and explain. \nA. Bronchiectasis, B. Apical lung carcinoma, C. Chronic bronchitis, D. Bronchial asthma", 'role': 'user'}, {'content': 'Answer: B \nExplanation: Ans. B: Apical lung carcinoma', 'role': 'assistant'}]