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': 'Bronchogenic cysts occurs commonly in- \nSelect and explain. \nA. Post mediastinum, B. Sup.mediastinum, C. Carina, D. Periphery of lung', 'role': 'user'}, {'content': "Answer: C \nExplanation: Ans. is 'c' i.e., Carina Bronchogenic cysts o Bronchogenic cyst is a congenital lung defect, which develops from abnormal lung budding of primitive foregut. o Most of the bronchogenic cyst arise in the mediastinum, where they are usually located in the mid mediastinum near carina. o About 15% of Bronchogenic cyst also occurs in pulmonary parenchyma. o When located in the lung they are more common in right lung and lower lobe. o They are lined by cuboidal or ciliated columnar epithelial cells and are usually filled with mucoid material.", 'role': 'assistant'}]