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
Which of the following segments are not removed in right hepatectomy 
Select and explain. 
A. 4B, B. 5, C. 6, D. None of the above
A: 4B
Answer: A: 4B 
Explanation: Ine right hepatectomy 5, 6, 7 and 8 segments are removed.