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: Surgery
[{'content': 'Which of the following is the anatomical location of foramen of Bochdalek? \nSelect and explain. \nA. Mediastinum, B. Urogenital diaphragm, C. Diaphragm, D. Dura mater', 'role': 'user'}, {'content': 'Answer: C \nExplanation: Foramen of Bochdalek is present on diaphragm. Posterolaterally, failure of fusion of the pleuroperitoneal canal creates a defect through which viscera may herniate to produce a foramen of Bochdalek hernia. Bochdalek hernia occurs more frequently on the left side and may cause severe respiratory distress at bih, requiring an emergent operation. Ref: Fisichella P.M. (2010). Chapter 20. Esophagus & Diaphragm. In G.M. Dohey (Ed), CURRENT Diagnosis & Treatment: Surgery, 13e.', 'role': 'assistant'}]