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
Lung sequestration occurs most commonly in which lobe - 
Select and explain. 
A. Apical, B. Left posterior basal, C. Left posterosuperior, D. Right lateral basal
B: Left posterior basal
Answer: B: Left posterior basal 
Explanation: None