This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Thorax, Subject name: Anatomy
Bochdalek hernia occurs through: 
Select and explain. 
A. Anteromedial part of diaphragm, B. Posterolateral part of diaphragm, C. Central tendon of diaphragm, D. None of the above
B: Posterolateral part of diaphragm
Answer: B: Posterolateral part of diaphragm 
Explanation: Ans. B. Posterolateral part of diaphragmA Bochdalek hernia is one of two forms of a congenital diaphragmatic hernia, the other form being Morgagni hernia. A Bochdalek hernia is a congenital abnormality in which an opening exists in the infant's diaphragm, allowing normally intra-abdominal organs (particularly the stomach and intestines) to protrude into the thoracic cavity. In the majority of patients, the affected lung will be deformed, and the resulting lung compression can be life-threatening. Bochdalek hernias occur more commonly on the posterior left side.