This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Congenital Malformations, Subject name: Pediatrics
[{'content': 'Kaagener syndrome includes all of the following except: \nSelect and explain. \nA. Dysphagia, B. Bronchiectasis, C. Sinusitis, D. Dextrocardia', 'role': 'user'}, {'content': 'Answer: A \nExplanation: Kaagener syndrome includes situs inversus totalis, chronic sinusitis, and airway disease leading to bronchiectasis.', 'role': 'assistant'}]